Mandarin:
电子亲和能

Explanation in English Language (EN):
The energy change that occurs when an electron is added to a neutral atom in the gaseous state. It's a measure of an atom's tendency to gain an electron.

Explanation in Mandarin (ZH):
当电子添加到气态的中性原子时发生的能量变化。它是衡量原子获得电子的趋势。(dāng diàn zǐ tiān jiā dào qì tài de zhōng xìng yuán zǐ shí fā shēng de néng liàng biàn huà. tā shì héng liáng yuán zǐ huò dé diàn zǐ de qū shì.)

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International Phonetic Alphabet (IPA)
- Definition: A standardized system of symbols used to represent the sounds of spoken language.
- Purpose: Helps linguists, language learners, and educators accurately describe pronunciation across languages.
- Example: The word “hello” in British English is transcribed as /həˈləʊ/ in IPA.