Question

What is the formula of the compound containing Ca 2+and F?
CaF2
O Cafa
O Caf
Ca2F

Answer 1

Answer: CaF2

Explanation:

Calcium is a metal and has 2+ cation charge. While F us in group 7 with an oxidation of -1.

So. Ca²+ F- do the criss cross rule where the charge of the cation will be the subscript of the anion and vice versa. So the result is CaF2