Question: The electron affinities, in kJ / mol, for the group 1B and group 2B metals are (a) Why are the electron affinities of the group

The electron affinities, in kJ / mol, for the group 1B and group 2B metals are

(a) Why are the electron affinities of the group 2B elements greater than zero?
(b) Why do the electron affinities of the group 1B elements become more negative as we move down the group?

Cu Zn -119 0 Ll Ag Cd -1260 AuHg -223 0

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a The group 2B metals have complete nl d subshells An additional electron would occupy an np su... View full answer

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