1. Ionic Compounds Practice Worksheet - Key

2. 1.

3. 2. CationAnionIonic Compound Formula Mg 2+ Cl - MgCl 2 Rb + S 2- Rb 2 S Al 3+ Br ‑ AlBr 3 Na + C 4- Na 4 C Ca 2+ N 3- Ca 3 N 2 Sr 2+ NO 3 - Sr(NO 3 ) 2 NH 4 + Se 2- (NH 4 ) 2 Se K+K+ SO 4 2- K 2 SO 4

4. 3. FormulaCationAnionName Fe(OH) 3 Fe 3+ OH - iron (III) hydroxide Ag 3 PO 4 Ag + PO 4 3- silver phosphate MnCO 3 Mn 2+ CO 3 2- manganese (II) carbonate Cd(NO 3 ) 2 Cd 2+ NO 3 - cadmium nitrate NiPO 3 Ni 3+ PO 3 3- nickel (III) phosphite PbSPb 2+ S 2- lead (II) sulfide Al 2 (SO 3 ) 3 Al 3+ SO 3 2- aluminum sulfite CoOCo 2+ O 2- Cobalt (II) oxide Fe(MnO 4 ) 2 Fe 2+ MnO 4 - iron (II) permanganate

5. 4. metal + nonmetalIonic nonmetal + nonmetalcovalent (molecular) NH 4 + + other nonmetalsionic