Question

1. Define electron affinity? And explain it 

a. Along group

b. Along period

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Answer 1

Answer:

Electron affinity is the energy change that results from adding an electron to a gaseous atom. For example, when a fluorine atom in the gaseous state gains an electron to form F⁻(g), the associated energy change is -328 kJ/mol.

Explanation:

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Answer 2

Answer:

Electron Affinity is the energy associated with the addition of an electon to a gaseous atom. .

a-decreases.

b-increases

Explanation:

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