Oxidation state

氧化态

Explanation (EN)

A number assigned to an atom in a compound that indicates the degree of oxidation of that atom.

Explanation (ZH)

分配给化合物中 ato 的数字，表示该 ato 的氧化程度。(fēn pèi gěi huà hé wù zhōng ato de shù zì, biǎo shì gāi ato de yǎng huà chéng dù.)

The International Phonetic Alphabet is a standardized system of symbols used to represent the sounds of spoken language.

It helps linguists, language learners, and educators accurately describe pronunciation across languages.

Example: the word "hello" in British English is transcribed as /həˈləʊ/ in IPA.