Polyatomic Ions

Hydronium

Hydronium

H3O+

Ammonium

NH4+

Bicarbonate

HCO3-

Hydroxide

OH-

Nitrate

NO3-

Nitrite

NO2-

Perchlorate

ClO4-

Chlorate

ClO3-

Chlorite

ClO2-

Hypochloride

ClO-

Acetate

C2H3O2-

Formate

CH2O2-

Permanganate

MnO4-

Cyanide

CN-

Carbonate

CO3-2

Sulfate

SO4-2

Sulfite

SO3-2

Hydrogen phosphite

HPO3-2

Chromate

CrO4-2

Dichromate

Cr2O7-2

Phosphate

PO4-3

Phosphite

PO3-3