Glossary - glossary.qmes.uk

Glossary Terms

1179 terms available

1,4-dioxane

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3 point bending

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3D printing

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Abrasive

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Absorption

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Absorption spectroscopy

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Acceptor atom

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Acceptor energy level

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Achiral

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Acid

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Acid

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Acid anhydride

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Acid dissociation constant (Ka / pKa)

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Acid salt

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Acid–base titration

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Acidic (acid-forming) oxide

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Acidolysis

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Activated complex (transition state)

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Activation energy

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Activation energy

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Activation energy (Ea)

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Active site

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Actual yield

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Acyl chloride (acid chloride)

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Acyl group (RC=O)

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Addition Polymerisation / Addition polymerization

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Addition reaction

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Adhesion

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Adhesive

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Adsorption

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Adsorption (physical / chemisorption)

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Alcohol

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Alcoholysis

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Aldehyde

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Aliphatic compound

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Alkane

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Alkane general formula (CnH2n+2)

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Alkane metathesis

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Alkene

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Alkoxide ion

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Alkyl group

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Alkyl halide (haloalkane)

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Alkyne

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Alloy

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Allyl

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Allylic / benzylic radical

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Alpha particle (α)

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Alternating copolymer

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Amide

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Amine

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Ammonium salt

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Amorphous

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Amorphous Alloy

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Amorphous Metal

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Amorphous region

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Amount of substance

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Amount-in-solution equation (n = c × V)

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Amphiprotic (amphoteric) species

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Amphoteric oxide

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Amplitude

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Analytical Chemistry

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Angular (planar) node

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Angular momentum quantum number (l)

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Anion

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Anionic polymerization

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Anionic ring-opening polymerization

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Anionic vinyl polymerisation

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Annealing

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Anode

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Anti addition

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Antibonding molecular orbital

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Anticorrosion

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Antioxidant

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Applied voltage

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Aramid (aromatic polyamide)

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Arene (aromatic compound)

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Aromatic

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Arrhenius acid

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Arrhenius acid–base theory

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Arrhenius base

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Arrhenius equation

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Aryl group

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Atom

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Atomic mass

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Atomic mass unit (amu / u)

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Atomic number (Z)

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Atomic weight

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Atomic weight equation

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Aufbau principle

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Austenite

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Auto acceleration / Autoacceleration

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Average bond energy

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Average kinetic chain length

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Average molecular weight

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Avogadro's number (Nₐ)

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Avogadro’s constant

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AXE (ABₙEₘ) notation

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Azo compound

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Balancing (an equation)

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Ball-and-stick model

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Balmer series

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Band gap (E_g)

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Band model (band theory)

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Barium titanium trioxide

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Base

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Base

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Base dissociation constant (Kb / pKb)

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Basic (base-forming) oxide

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Bent (angular) geometry

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Benzene

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Benzoyl peroxide (BPO)

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Beta particle (β)

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Bi-axial flexure

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Bifunctional monomers / Bifunctional

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Bimolecular step

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Binder

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Binding site

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Biochemistry

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Biodegradation

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Block copolymer

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Block copolymers

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Blow molding

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Blow moulding

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Blowing agent

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Bohr model

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Bohr radius (a₀)

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Boiling point anomaly

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Boltzmann constant (kB)

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Boltzmann’s constant

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Bomb calorimeter

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Bond (dissociation) energy

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Bond dissociation enthalpy (D)

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Bond order

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Bond order equation (MO)

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Bond polarity

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Bonding atomic radius (covalent radius)

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Bonding molecular orbital

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Bonding pair

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Borosilicate

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Borosilicate glass

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Brackett series

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Branch

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Branched polymer

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Branching

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Brazing

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Brittle fracture

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Bromonium ion (halonium ion)

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Brønsted acid

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Brønsted base

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Brønsted–Lowry acid

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Brønsted–Lowry acid–base theory

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Brønsted–Lowry base

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Brush polymer

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Buffer solution

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Bulk metallic glass

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Bulk polymerisation / Bulk polymerization

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Bulky sidegroups

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Burette

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Butyl rubber

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By-product

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Cahn–Ingold–Prelog (CIP) priority rules

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Calorie (cal)

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Calorimeter

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Carbanion

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Carbenium ion (carbocation)

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Carbenium ion stability order

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Carbon

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Carbon black

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Carbon materials

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Carbon nanofoam

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Carbonyl group (C=O)

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Carboxyl group (–COOH)

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Carboxylate ion

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Carboxylic acid

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Carboxylic acid derivative

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Carothers equation

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Carrier concentration relation

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Cast iron

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Casting

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Catalyst

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Catalyst poisoning

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Cathode

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Cation

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Cationic polymerization

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Cationic ring-opening polymerization

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Cationic vinyl polymerisation

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Ceiling temperature

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Cement

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Cementation

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Cementite

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Central atom

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Ceramic

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Ceramic composite

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Ceramic material

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Chain entanglement

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Chain folded

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Chain growth polymerisation

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Chain mechanism (chain reaction)

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Chain reaction

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Chain scission

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Chain stiffness

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Chain transfer

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Chain transfer agent

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Chain-growth polymerization

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Charge carrier

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Charge transfer complex

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Chemical bond

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Chemical change (chemical reaction)

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Chemical equation (reaction equation)

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Chemical equilibrium

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Chemical kinetics

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Chemical property

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Chemisorption

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Chemistry

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Chlorobenzene

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cis-Diol (vicinal diol)

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Clay minerals

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Clay-based ceramics

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Closed system

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Coefficient of thermal expansion

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Cold worked metal

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Cold working

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Collision number (Z)

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Collision theory

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Combination reaction

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Combination termination

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Common ion effect

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Compacted graphite iron

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Complexometric titration

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Composite material

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Composition drift

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Compound

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Compounding

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Concentration

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Concentration cell

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Concentration equilibrium constant (Kc)

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Concerted reaction

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Concrete

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Condensation

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Condensation polymerisation (polycondensation)

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Condensed electron configuration

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Condensed formula

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Conduction band

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Conductivity

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Conductor

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Conformation

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Conjugate acid

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Conjugate acid–base pair

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Conjugate base

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Conjugate pair relation (Ka·Kb = Kw)

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Conjugated system

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Conjugation

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Constitutional (structural) isomer

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Continuous phase

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Continuous spectrum

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Contour representation

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Coordinate covalent bond (dative bond)

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Copolymer

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Copolymerisation

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Copper alloys

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Core electrons

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Corrosion

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Corrosion resistance

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Coulomb's law

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Counterion

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Counterion effects

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Covalent bond

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Creep

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Cristobalite

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Cross-linked polymer

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Crosslinking

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Crystal (lattice) structure

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Crystalline

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Crystalline Ceramics

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Crystallinity

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Crystallization

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Curie temperature

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Curly (curved) arrow

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Cyclic monomers

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Cycloalkane

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d orbital

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Dalton's Atomic Theory

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de Broglie equation (λ = h/mu)

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Debye (D)

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Decamer

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Decomposition

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Decomposition reaction

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Degassing

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Degeneracy / degenerate orbitals

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Degenerate orbitals

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Degradation kinetics

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Degree of crosslinking

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Degree of ionisation (α)

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Degree of polymerisation / Degree of polymerization

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Degree of surface orientation

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Degrees of freedom

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Deionised water

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Delocalisation

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Delocalised bonding

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Delocalised electron

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Delocalised electrons

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Dendrimers

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Density

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Density equation (ρ = m/V)

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Depolymerisation

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Depolymerisation / Depolymerization

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Diagonal rule (Madelung rule)

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Diamagnetic

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Diastereomer

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Die casting

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Diene

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Diffusion

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Dilution formula (V₁c₁ = V₂c₂)

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Dipole

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Dipole moment (μ)

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Dipole moment equation (μ = Q·r)

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Dipole–dipole interaction

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Dipole–induced dipole force

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Dislocation climb

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Dislocation density

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Dispersed phase

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Dispersity

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Displayed formula

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Disproportionation termination

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Dissociation

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Disulfide bridge

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Donor atom

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Donor energy level

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Dopant

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Doping

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Double bond

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Drilling

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Drying

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dsp²/sp³d/d²sp³ hybridisation

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Ductile iron

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Ductility

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Dynamic equilibrium

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E1 mechanism (unimolecular elimination)

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E1cB mechanism

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E2 mechanism (bimolecular elimination)

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Eclipsed conformation

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Effective collision

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Effective nuclear charge (Z_eff)

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Effective nuclear charge equation (Z_eff = Z − σ)

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Elastic modulus

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Elastomer

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Elastomers

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Electric domain

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Electrical conductivity

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Electro-spinning

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Electrochemical

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Electrochemical cell

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Electrochemical corrosion

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Electrode potential

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Electrolysis (electrolytic decomposition)

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Electrolyte

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Electromagnetic radiation

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Electromagnetic spectrum

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Electromagnetic wave

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Electron

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Electron affinity (E_ea)

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Electron affinity enthalpy

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Electron cloud

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Electron configuration

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Electron pair (electron domain)

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Electron sea (free electron) model

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Electron shell

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Electron spin

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Electron volt (eV)

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Electron-donating group (EDG)

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Electron-withdrawing group (EWG)

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Electron–hole pair

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Electronegativity

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Electronegativity (χᵣ)

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Electronic affinity

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Electronic factor (electronic effect)

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Electrophile (electrophilic reagent)

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Electrophilic addition

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Electrophilic exchange reaction

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Element

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Elementary step (elementary reaction)

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Elimination reaction

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Embedded energy

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Empirical (minimal) formula

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Emulsion

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Enantiomer

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Endothermic

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Endpoint

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Energy

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Energy band

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Energy level

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Energy state

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Enthalpy

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Enthalpy (H)

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Enthalpy change (ΔH)

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Entropy

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Entropy (S)

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Entropy change (ΔS)

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Entropy of the universe

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Enzymatic degradation

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Enzyme (biological catalyst)

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Enzyme–substrate complex (ES)

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Epoxide

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Epoxide polymerisation / Epoxide polymerization

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Epoxies

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Equiaxed grains

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Equiaxed Zone

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Equilibrium

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Equilibrium constant (K)

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Equilibrium distance (r_e)

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Equilibrium temperature

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Ester

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Esterification

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Etching

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Ether

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Ethylene

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Excited state

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Excited state (promotion)

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Exothermic

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Expanded-octet adduct (hypervalent)

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Extensive property

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Extrinsic semiconductor

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Extrusion

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f orbital

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Faraday Constant

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Fatigue

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FDM

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Fermi energy (E_F)

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Ferrite

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Ferroelectric

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Ferromagnetic

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Ferrous alloys

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Ferrous metals

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Fibre

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Film formation

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First ionisation energy (I₁)

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First order

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First-order reaction

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Fischer esterification

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Flaw

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Flexural testing

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Foaming agent

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Forging

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Formal charge (F.C.)

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Formula mass

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Fraction

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Fractography

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Fracture

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Fracture stress

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Fracture toughness

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Free energy–quotient equation (ΔG = ΔG° + RT ln Q)

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Free radical

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Free radical (radical)

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Free radical polymerization

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Frequency (ν)

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Frequency factor (pre-exponential factor, A)

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Fullerene

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Functional group

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Functional group (FG)

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Furnace-cool

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Fused quartz

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Fused silica

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Galvanic cell

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Galvanisation

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Gamma ray (γ)

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Gas constant (R)

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Gas phase

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Gasoline

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Gel

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Gel effect

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Gel permeation chromatography

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Geometric (Z,E / cis–trans) isomerism

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Gibbs free energy

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Gibbs free energy (G)

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Gibbs free energy change (ΔG)

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Gibbs free energy equation

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Gibbs–equilibrium relation (ΔG° = −RT ln K)

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Glass ceramics

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Glass transition

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Glass transition temperature

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Glass transition temperature (Tg)

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Glasses

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Glassy material

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Gradient copolymer

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Graft copolymer

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Grain

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Grain boundary

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Grain refinement

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Graphene

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Graphite

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Gray Cast Iron

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Ground state

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Group

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Half-life (t½)

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Half-reaction

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Half/fully-filled subshell stability

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Hall-Petch Equation

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Halogenated

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Halogenation (of alkenes)

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Hard acids

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Hardenability

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Hardness testing

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Heat (q)

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Heat capacity

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Heat capacity (C)

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Heat of combustion

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Heat of hydrogenation

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Heat treatment

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Hedvall effect

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Heisenberg uncertainty principle

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Henderson–Hasselbalch equation

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Hertz (Hz)

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Hess's Law

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Heteroatom

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Heterogeneous

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Heterogeneous catalysis

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Heterogeneous mixture

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Heterogeneous polymerisation

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Heterogeneous polymerisation / Heterogeneous polymerization

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Heterogeneous reaction

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Heterogeneous substance

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Heterolysis (heterolytic cleavage)

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Heterolytic cleavage or scission

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Heteronuclear diatomic molecule

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Hole

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Homogeneous catalysis

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Homogeneous mixture

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Homogeneous substance

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Homogenize

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Homolysis (homolytic cleavage)

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Homonuclear diatomic molecule

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Homopolymer

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Hund's rule (maximum multiplicity)

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Hybrid orbital

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Hybridisation

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Hybrids

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Hydration (of alkenes)

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Hydraulic cement

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Hydrogen bond

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Hydrogen bond acceptor

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Hydrogen bond donor

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Hydrogen Embrittlement

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Hydrogenation

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Hydrolysis

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Hydrolytic degradation

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Hydronium ion (H₃O⁺)

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Hydroperoxide

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Hydrophilic

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Hydrophobic

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Hydrophobic interaction

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Hydrophobicity

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Hydroplasticity

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Hydroxide

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Hydroxyl group (–OH)

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Hyperbranched polymer

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Hyperconjugation

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Imine

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Impact resistance

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In-phase (constructive) overlap

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Indicator

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Induced dipole

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Inductive effect

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Inert

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Inhibitor

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Initial rate

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Initiation

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Initiation step

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Initiator

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Injection Molding

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Inner transition metals

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Inorganic Chemistry

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Insulator

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Integrated rate law

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Intensive

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Intensive property

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Intercalated

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Interfacial polymerisation

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Intermolecular force

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Intramolecular force

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Intrinsic acid strength

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Intrinsic semiconductor

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Intrinsic viscosity

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Inverse emulsion

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Inverse emulsion polymerisation / Inverse emulsion polymerization

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Inverse suspension

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Investment casting

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Ion

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Ion mass

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Ion product of water (Kw)

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Ion–dipole force

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Ion–induced dipole force

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Ionic bond

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Ionic bonds

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Ionic distance equation (d = r_A + r_B)

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Ionic distortion (polarisation effect)

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Ionic radius

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Ionic substance

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Ionisation

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Ionisation energy (I)

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Ionisation energy of dopant

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Ionisation enthalpy

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Irreversible reaction

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Isocyanate

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Isoelectronic series

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Isomer

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Isomerisation

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Isomerism

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Isoprene

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Isotope

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Isotopic (fractional) abundance

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IUPAC

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Kelvin (absolute temperature scale)

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Ketone

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Kinetic energy

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Kinetics

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Kp–Kc relationship

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Lactam polymerisation / Lactam polymerization

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Lactone polymerisation / Lactone polymerization

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Lamellar structure

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Langmuir behaviour

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Langmuir equation

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Latex particles

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Lattice energy

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Law of Conservation of Mass (Lavoisier)

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Law of Constant Composition (Proust)

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Law of Multiple Proportions (Dalton)

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Layered silicate

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LCAO method

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Le Chatelier's Principle

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Le Chatelier’s Principle

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Leaving group

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Lennard-Jones type potential

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Levelling effect

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Lewis acid

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Lewis acid–base theory

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Lewis acids

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Lewis adduct (acid–base complex)

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Lewis base

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Lewis structure (Lewis dot structure)

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Lewis theory

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Limiting reagent

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Line spectrum

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Linear

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Linear geometry

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Liquid ammonia (non-aqueous solvent)

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Liquid Crystal polymers

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Lithography

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Living anionic polymerisation / Living anionic polymerization

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Living polymerization

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Localised bonding

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London (dispersion) forces

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Lone pair (nonbonding pair)

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Lost foam casting

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Lyman series

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Macromolecule

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Magnetic moment

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Magnetic quantum number (mₗ)

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Magnetism

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Majority carrier

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Malleability

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Malleable iron

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Markovnikov's rule

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Martensite

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Mass number (A)

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Mass spectrometer

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Mass–energy relation (E = mc²)

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Matter

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Matter waves (de Broglie waves)

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Maxwell–Boltzmann distribution

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Mechanical degradation

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Melting

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Melting temperature

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MEMS (Microelectromechanical systems)

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Metal

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Metal additive manufacturing

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Metal strengthening

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Metallic bond

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Metallic character

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Metallic lustre

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Metalloid

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Metathesis (double substitution) reaction

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Metathesis polymerization

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Micelle

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Micelle formation

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Minority carrier

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Mixture

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Molal concentration (molality, m)

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Molar concentration (amount concentration, c)

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Molar heat capacity

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Molar mass (M)

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Mole (mol)

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Mole fraction (x)

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Molecular formula

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Molecular geometry (molecular shape)

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Molecular mass

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Molecular orbital (MO)

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Molecular orbital theory (MO theory)

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Molecular substance

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Molecular weight

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Molecular weight distribution (MWD)

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Molecularity

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Molecule

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Momentum

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Monatomic ion

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Monochromatic radiation

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Monomer

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Monoprotic acid

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Most stable form (reference state of an element)

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Mulliken's method

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Multifunctional monomers

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Multiple covalent bond

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n-type semiconductor

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Nanocrystalline ceramics (NCCs)

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Nanoimprint lithography

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Nanoparticle

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Natural radioactivity

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Negative photoresist

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Nernst equation -

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Net dipole moment (vector sum)

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Net ionic equation

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Net rate

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Neutralisation reaction

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Neutron

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Nickel super alloys

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Nitrile

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Noble gas

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Noble metals

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Nodal plane

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Node

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Non-Aqueous Dispersion (NAD) polymerisation

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Non-aqueous dispersion polymerisation / Non-aqueous dispersion polymerization

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Non-bonding molecular orbital

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Non-ferrous metal

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Non-metallic character

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Non-spontaneous process

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Nonmetal

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Nonpolar molecule

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Normal salt

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Normalizing

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Novolac resin

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Nuclear Model of the Atom (Rutherford)

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Nucleate

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Nucleon

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Nucleophile

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Nucleophile (nucleophilic reagent)

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Nucleophilic acyl substitution

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Nucleophilic addition (to carbonyl)

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Nucleophilic exchange reaction

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Nucleophilic substitution

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Nucleus

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Nuclide

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Number-average molecular weight (Mn)

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Nylon

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Octahedral geometry

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Octet

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Octet rule

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Oligomer

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Onium salts

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Operator

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Orbital

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Orbital diagram

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Orbital overlap

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Organic

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Organic Chemistry

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Orientation probability factor (p)

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Ostwald's dilution law

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Out-of-phase (destructive) overlap

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Overlap integral (S)

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Overlapping bands

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Oxidation

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Oxidation number (state)

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Oxidation number method

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Oxidation state

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Oxidation-reduction reaction

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Oxidation–reduction (redox) reaction

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Oxidative degradation

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Oxide

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Oxidising agent (oxidant)

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Oxoacid

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p orbital

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p-function (pX = −log X)

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p-type semiconductor

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Paired electrons

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Parabolic rate-law

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Paramagnetic

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Parent chain

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Partial charge (δ⁺/δ⁻)

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Partial ionic character

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Partially filled band

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Paschen series

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Passivation

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Pauli exclusion principle

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Pauling's method (scale)

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PDI / Polydispersity index (PDI)

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Pearlite

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PEEK

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Percent yield

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Percent yield equation

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Period

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Periodic table

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Permanent magnetism

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Peroxide

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pH

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Phase

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Phase diagram

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Phenolics

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Photo-oxidation

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Photoacid

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Photocleavable

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Photodegradation

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Photoelectric effect

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Photoinitiator

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Photolithography

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Photolysis

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Photon

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Photoresist

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Physical change

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Physical Chemistry

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Physical property

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Physical state

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Physisorption

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Pi (π) bond

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Pi (π) molecular orbital

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Piezo-electric material

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Piezoelectric

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Piezoelectric ceramics

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Piezoelectric effect

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Piezoelectric materials

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Pipette

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pKw relationship (pKw = pH + pOH)

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Planck–Einstein relation (E = hν)

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Planck's constant (h)

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Plastic deformation

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Plastic flow

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Plastic strain

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Plasticizer

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Plasticzer

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pOH

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Poison

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Polar (polarised) covalent bond

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Polar molecule

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Polarisability

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Polarisation

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Polarising power

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Polarity

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Polyaddition

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Polyaddition reaction

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Polyamide

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Polyamides

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Polyatomic ion

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Polycaprolactone

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Polycarbonate

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Polychromatic radiation

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Polycondensation

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Polycondensation reaction

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Polydisperse

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Polydispersity index

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Polyelectrolytes

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Polyester

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Polyethylene glycol

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Polyethylene terephthalate

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Polyimide

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Polymer

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Polymer degradation

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Polymerization

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Polymorphism

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Polyolefin

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Polyprotic acid

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Portland

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Portland cement

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Positive photoresist

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Potential energy

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Powder Metallurgy

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Precipitate

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Precipitation Hardening

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Precipitation polymerisation

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Precipitation Strengthening

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Precipitation titration

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Prepolymer

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Pressure equilibrium constant (Kp)

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Primary

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Primary / secondary / tertiary carbon

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Primary structure

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Principal quantum number (n)

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Probability density / electron density (ψ²)

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Propagation

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Propagation mechanism

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Propagation step

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Proportional

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Proton

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Proton transfer

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Protonation (of alcohol)

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Pseudo-alkene (transition state)

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Pure (nonpolar) covalent bond

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Pure substance

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Pyridine

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Pyrolysis

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Quantum (quantised)

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Quantum mechanics (wave mechanics)

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Quantum theory

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Quaternary ammonium salt

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Quaternary structure

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Quenching

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Quenching agent

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R / S configuration

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Racemic mixture (racemate)

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Radial node

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Radial probability function

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Radical

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Radical (free-radical) halogenation

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Radical initiator

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Radical scavenger

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Radical stability order

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Random copolymer

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Rate constant (k)

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Rate law (rate equation)

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Rate-determining step

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Reactant

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Reaction enthalpy (ΔrH)

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Reaction intermediate

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Reaction mechanism

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Reaction order

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Reaction product

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Reaction quotient (Q)

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Reaction rate

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Reaction specificity

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Reactive intermediate

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Reactivity

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Reactivity ratios

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Reconfigure

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Recrystallization

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Redox

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Redox reaction

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Redox titration

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Reducing agent (reductant)

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Reduction

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Refractory Metals

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Regiochemistry

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Regioisomer

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Regioselectivity

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Relative atomic mass (Aᵣ)

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Relative molecular mass (Mᵣ)

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Repeating unit

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Representative (main-group) elements

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Resistant to Thermal Shock

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Resonance

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Resonance hybrid

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Resonance stabilisation / Resonance stabilization

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Resonance structure (resonance form)

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Reversible reaction

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Ring-opening polymerization

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Rockwell C Hardness Test

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Rolling

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Rotaxane

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Rubbery state

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Rydberg constant (Rₕ)

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Rydberg equation

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s orbital

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s-, p-, d-, f-block

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s-band / p-band

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Salt

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Salt bridge

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Salt bridge (ionic interaction)

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Saturated / unsaturated compound

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Schrödinger equation (Ĥψ = Eψ)

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Scission

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Screening (shielding) effect

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Screening constant (σ)

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Second Law of Thermodynamics

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Second-order reaction

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Secondary

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Secondary structure

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Seesaw (distorted tetrahedron) geometry

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Segmental motion

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Self-assembled monolayer

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Self-ionisation of water (autoionisation)

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Semi-crystalline polymers

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Semiconductor

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Semicrystalline

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Sequential copolymerization

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Side chain

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Side reactions

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Sigma (σ) bond

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Sigma (σ) molecular orbital

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Silica

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Silica glass

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Silica Tetrahedron

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Silicate ceramics

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Silver

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Silyl ether

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Single covalent bond (single bond)

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Single crystals

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Single substitution reaction

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Sintering

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Skeletal formula (line drawing)

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Slater's rules

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Slip casting

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SLM

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SN1 mechanism (unimolecular nucleophilic substitution)

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SN2 mechanism (bimolecular nucleophilic substitution)

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Soda-lime glass

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Solid solution strengthening

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Solubility

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Solution

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Solvent

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Solvent effects

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Solvent system definition

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sp hybridisation

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sp² hybridisation

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sp³ hybridisation

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Space-filling model

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Spark Plasma Sintering

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Specific heat capacity (c)

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Specific surface area

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Spheroidize

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Spin quantum number (mₛ)

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Spinel

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Spontaneous

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Spontaneous process

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Square planar geometry

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Square pyramidal geometry

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Stabilized carbocation

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Stabilizers

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Staggered conformation

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Standard conditions

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Standard enthalpy change (ΔrH°)

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Standard enthalpy of formation (ΔfH°)

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Standard enthalpy of formation equation

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Standard entropy change (ΔS°)

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Standard Gibbs free energy change (ΔG°)

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Standard Gibbs free energy of formation (ΔfG°)

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Standard reduction potential

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Standard solution

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Stationary state

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Statistical copolymer

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Steady state kinetics

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Steady-state approximation

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Step-growth polymerisation

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Step-growth polymerization

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Stereo lithography

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Stereochemistry

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Stereocomplex

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Stereogenic (chiral) carbon

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Stereoisomer

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Stereoselectivity

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Steric factor (steric effect)

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Steric hindrance

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Sterically hindered

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Stiffen chain

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Stoichiometric coefficient

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Stoichiometric imbalance (r)

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Stoichiometric point (equivalence point)

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Stoichiometry

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Stress intensity factor

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Stress relief annealing

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Strong electrolyte

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Structural formula

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Styrene

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SU-8

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Subatomic particle

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Subshell

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Substituent

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Substitution (exchange) reaction

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Substitution reaction

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Substrate

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Substrate (organic)

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Successive ionisation energies

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Succinic anhydride

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Superalloy

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Superconducting Ceramics

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Surface finish

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Surface functionalisation

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Surfactant

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Suspension

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Suspension polymerisation

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Suspension polymerisation / Suspension polymerization

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Symmetry-forbidden combination

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Syn addition

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Syndiotactic

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Syndiotactic polymer

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System and surroundings

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T-shaped geometry

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Tacticity

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Tapered copolymer

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Temperature (T)

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Tempering

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Temporary (instantaneous) dipole

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Terminal group

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Termination

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Termination by combination

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Termination by disproportionation

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Termination step

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Termolecular step

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Ternary alloy

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Tertiary

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Tertiary structure

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Tetrahedral geometry

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Tetrahedral intermediate

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The grain refinement

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Theoretical yield

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Thermal behavior

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Thermal conductivity

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Thermal decomposition

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Thermal degradation

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Thermal energy (kBT)

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Thermal shock

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Thermal Shock Resistance

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Thermochemical equation

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Thermochemistry

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Thermodynamics

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Thermoforming

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Thermooxidative stability

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Thermoplastic

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Thermoplastic Elastomers

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Thermoset

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Thermoset plastic

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Thiol

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Time - temperature superposition

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Titration

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Titration error

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To anodise

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To deposit

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To evaporate

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To harness

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To irradiate

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To terminate

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Total ionic equation

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Toughness

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Transesterification

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Transition state theory

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Transmission Electron Microscope

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Transparent Ceramics

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Trigonal bipyramidal geometry

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Trigonal planar geometry

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Trigonal pyramidal geometry

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Triple bond

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Ultrahigh molecular weight polyethylene

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Unimolecular step

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Unpaired electron

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Valence band

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Valence bond theory

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Valence electron

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Valence shell

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van der Waals forces

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van der Waals radius (r_vdw)

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Versatile materials

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Vibrational mobility

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Vinyl group

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Viscoelastic

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Viscosity

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Viscous

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Vitrification

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Volatile

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Voltaic cell

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Volumetric analysis (titrimetry)

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Volumetric flask

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VSEPR theory

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Water plasticity

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Wave equation (λν = c)

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Wave function (ψ)

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Wave-particle duality

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Wavelength (λ)

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Wax

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Weak electrolyte

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Weight average molecular weight

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Weight distribution

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Welding

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Work (w)

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X-ray diffraction

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Yield

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Z-average molecular weight (Mz)

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Zero order

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Zero-order reaction

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Zirconia

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Zwitterion

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α-helix

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α-position (alpha carbon)

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β-hydrogen (beta hydrogen)

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β-sheet (pleated sheet)

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