Formation of Ionic Compounds
Practice Questions

We studied in ionic bond how ionic compounds are formed. Now, it's your turn to try to answer some questions. If you have any difficulty understanding the answers, please read our explanation of formation of sodium chloride.

Explain the formation of calcium fluoride (CaF2)

Use Lewis symbols to show electron transfer between magnesium and oxygen to form magnesium oxide (MgO).

Show how MgBr2 (magnesium bromide) is formed.

Explain the formation of sodium sulfide (Na2S).