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The amount of...

Question

The amount of energy released when a neutral gaseous atom gains one electron is called__.

A

Electron affinity

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B

Electronegativity

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C

Ionisation energy

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D

Nuclear charge

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Solution

The correct option is A
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 an electron is called electron affinity. Electron affinity depends on the atomic size and nuclear charge of an atom.

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