Table 2: Common Polyatomic Ions Naming Ionic Compounds Practice Table 1: Ion Charges Part 1: Name the following univalent ionic compounds. 1. MgBr2 5. Ca3N2 2. KF 6. BeCl2 3. Li2S 7. MgO 4. Ca3P2 8. NaBr Part 2: Name the following multivalent ionic compounds. 1. CuCl2 5. FeS 2. FeO 6. PbO2 3. PbBr4 7. Cu2O 4. CuF2 8. FeBr2 Part 3: Name the following polyatomic ionic compounds. 1. LiOH 6. KHCO3 2. MgSO3 7. Cu2SO4 3. Na2CO3 8. Fe3(PO4)2 4. NH4NO2 9. PbCO3 5. AgMnO4 10. Ni(NO3)3