Question

write the chemical formula for calcium chloride

Explanation:

Step1: Determine the ions

Calcium forms \(Ca^{2+}\) ion and chloride forms \(Cl^{-}\) ion.

Step2: Balance the charges

To balance the +2 charge of \(Ca^{2+}\), we need 2 \(Cl^{-}\) ions.

Answer:

\(CaCl_{2}\)