Question

Calcium chloride contains only calcium and chloride. What is the formula for this compound

Answer 1

B.) CaCl2

Step-by-step explanation:

CaCl2 Calcium has a positive 2 charge and chlorine has a negative 1 charge. It takes 2 chlorine atoms for every calcium in order to be neutral.

Answer 2

Calcium give the cation
`Ca^(2+)`, chloride gives the anion
`Cl^-`. The compound is electrically neutral, and is hence
`\boxed{CaCl_2}`