Question

why electron affinity of 15 group elements is lower than 14 group

Answer 1

Answer:

The electron affinity for elements in Group 15 is much lower than elements in Group 14, 16, or 17 because elements in Group 15 have a half filled p subshell which is more stable than having an electron in Px, Py but not Pz orbital, or having not a full 6 electron p subshell.

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