What do you mean by electron gain enthalpy? On what factors does it depend?

Answers (1)
S Sumit

Electron gain enthalpy or electron affinity is the amount if energy released when an isolated gaseous atom accepts an electron to form a monovalent gaseous anion.

It depends on following factors

1.size of atom,

2.effective nuclear charge,

3.screening effect of inner electrons

4.electronic configuration

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