What happens when a sodium atom loses an electron in its outer energy
shell?
A. It has an increase in the number of neutrons.
B. It has an increase in the number of protons.
C. It becomes a negative ion.
D. It becomes a positive ion.
Sodium will let that electron go as soon as it can, which is why it generally forms ionic compounds such as NaCl. When sodium atom loses an electron from its outer energy shell, it becomes Na+ ion. D is the answer
