Question

(2-2) Looking at the chemical formula CaF2 (calcium fluoride), what do you think this substance is made of? (Choose ALL that apply
Metal
Metalloid
Non-metal

Answer 1

Answer:

Metal

Non-metal

Explanation:

Ionic compounds are said to be formed when metals donate electrons to non metals.

The metals become positively charged while the nonmetals become negatively charged.

CaF2 is composed of Ca^2+ and F^-. Calcium is a metal of group 2 in the periodic table while F is a nonmetal of group 17 in the periodic table.

Hence CaF2 is composed of a metal and a nonmetal.