Define electron gain enthalpy or electron affinity. Give its unit. – InterviewSolution

1.

Define electron gain enthalpy or electron affinity. Give its unit.

Answer»

The electron gain enthalpy of an element is the amount of energy released when an electron is added to the neutral gaseous atom.

A + electron → A^- + energy (E.A)

Unit of electron affinity is KJ mole^-1 .

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