Ap chem

charge +1

+1= Ammonium NH4^+

polyatomic ion

Charge -1

-1

• Amide NH2^-

• Bromate BrO3^-

• Formate HCO2^-

• Acetate C2H3O2^-

• Perchlorate CIO4^-

• Chlorate CIO3^-

• Chlorite CIO2^-

• Hypochlorite CIO^-

• Cyanide CN^-

• Hydrogen Carbonate (bicarbonate) HCO3^-

• Hydroxide OH^-

• Iodate IO3^-

• Nitrate NO3^-

• Nitrite NO2^-

• Permanganate MnO4^-

Charge -2

-2

• Carbonate CO3²-

• Chromate CrO4²-

• Dichromate Cr2O7²-

• oxalate C2O4²-

• Peroxide O2²-

• Silicate SiO3²-

• Sulfate SO4²-

• Sulfite SO3²-

Charge -3

-3

Arsenate AsO4³-

Phosphate PO4³-