Question

A sodium atom has 1 valence electron in its third shell. What will it do when forming an ion? A. gain 1 valence electron B. lose 1 valence electron C. gain 7 valence electrons D. lose 7 valence electrons

Answer 1

When forming an ion, this sodium atom will lose 1 electron, as it is the easiest way to form a full shell, as opposed to gaining 7 electrons.