Ionic Compounds Practice Worksheet - Key

Ion Name Ion Name K+ Potassium ion O2- Oxide Fe2+ Iron II S2- Sulfide Ca2+ Calcium ion H- Hydride Co3+ Cobalt III F- Fluoride Zn2+ Zinc ion C4- Carbide Mg2+ Magnesium

ion N3- Nitride

Mn4+ Manganese IV

I- Iodide

1.

2.Cation Anion Ionic Compound Formula

Mg2+ Cl- MgCl2

Rb+ S2- Rb2S

Al3+ Br‑ AlBr3

Na+ C4- Na4C

Ca2+ N3- Ca3N2

Sr2+ NO3- Sr(NO3)2

NH4+ Se2- (NH4)2Se

K+ SO42- K2SO4

3.Formula Cation Anion Name

Fe(OH)3 Fe3+ OH- iron (III) hydroxide

Ag3PO4 Ag+ PO43- silver phosphate

MnCO3 Mn2+ CO32- manganese (II) carbonate

Cd(NO3)2 Cd2+ NO3- cadmium nitrate

NiPO3 Ni3+ PO33- nickel (III) phosphite

PbS Pb2+ S2- lead (II) sulfide

Al2(SO3)3 Al3+ SO32- aluminum sulfite

CoO Co2+ O2- Cobalt (II) oxide

Fe(MnO4)2 Fe2+ MnO4- iron (II) permanganate

4.

metal + nonmetal Ionic

nonmetal + nonmetal covalent (molecular)

NH4+ + other nonmetals ionic

1) NH4Cl ammonium chloride

2) Fe(NO3)3 iron (III) nitrate

3) TiBr3 titanium (III) bromide

4) Cu3P copper (I) phosphide

5) SnSe2 tin (IV) selenide

6) GaAs gallium (III) arsenide

7) Pb(SO4)2 lead (IV) sulfate

8) Be(HCO3)2 beryllium hydrogen carbonate or

beryllium bicarbonate

9) Mn2(SO3)3 manganese (III) sulfite

10) Al(CN)3 aluminum cyanide

11) chromium (VI) phosphate Cr(PO4)2

12) vanadium (IV) carbonate V(CO3)2

13) tin (II) nitrite Sn(NO2)2

14) cobalt (III) oxide Co2O3

15) titanium (II) acetate Ti(C2H3O2)2

16) vanadium (V) sulfide V2S5

17) chromium (III) hydroxide Cr(OH)3

18) lithium iodide LiI

19) lead (II) nitride Pb3N2

20 silver bromide AgBr