Question

which of the following is true with regard to sodium and potassium?
a. they both have three outer shell electrons.
b. they both have filled orbitals.
c. they tend to form anions.
d. they tend to form cations.

Explanation:

Sodium and potassium are alkali - metals. They have 1 outer - shell electron and tend to lose it to form cations.

Answer:

D. They tend to form cations.