Question

The electron affinity of an atom typically depends on the

A. mass of the atom's nucleus.
B. number of electrons already present in the atom.
C. number of neutrons in the nucleus of the atom.
D. availability of an unfilled orbital in the atom.

Answer 1

Option D: availability of an unfilled orbital in the atom.

This is true because the atoms will try to complete the octete (8 electrons in the last p level)