Problem: Which one of the following equations correctly represents the process involved in the second electron affinity of As?A. As(g) + e– → As– (g)     B. As– (g) + e– → As2– (g)     C. As(g) → As+ (g) + e– D. As– (g) → As(g) + e–     E. As2– (g) + e – → As3– (g)

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For this problem, we have to figure out the proper equation for the second electron affinity of As

Electron affinity (EA) is the energy involved when we add an electron to an atom or ion

First EA corresponds to the addition of an electron to a neutral atom

 Second EA refers to addition of a second electron

 Third EA refers to addition of a third electron

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Problem Details

Which one of the following equations correctly represents the process involved in the second electron affinity of As?

A. As(g) + e → As (g)     B. As (g) + e → As2– (g)     C. As(g) → As+ (g) + e– 

D. As (g) → As(g) + e     E. As2– (g) + e – → As3– (g)