Chemistry
Define the term 'electron affinity'. State its unit.
Periodic Table
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Answer
Electron affinity — The amount of energy released while converting a neutral gaseous isolated atom into a negatively charged gaseous ion (anion) by the addition of electron is called Electron Affinity (E.A.)
Unit : electron volts per atom (eV/atom) or kJ mol-1. It is represented by negative sign.
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