Question

What are the trends for electron affinity?

Answer 1

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Trends: As with ionization energy, there are two rules that govern the periodic trends of electron affinities: Electron affinity becomes less negative down a group. As the principal quantum number increases, the size of the orbital increases and the affinity for the electron is less.

Answer 2

As with ionization energy there are two rules .Electrons rule affinity become less down a group

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