Question

A potassium ion (K+) would most likely bond with _____.

a. Mg+
b. Na+
c. Cl-
d. O

Answer 1

K⁺ has positive charge, the easiest way to form a bond is to connect to negatively charged ion. We have only one negative ion Cl⁻.
So, the answer is 
C. Cl⁻.

Answer 2

Answer:

That would be the negative ion:  Cl-.

Explanation:

Have a good day!