Polyatomic ions name/symbol

CH3COO1-

Acetate

NH41+

Ammonium

HCO31-

Bicarbonate

CO32-

Carbonate

CIO31-

Chlorate

CIO21-

Chlorite

CrO4-2

Chromate

CN1-

Cyanide

Cr2O7-2

Dichromate

HCO31-

Hydrogen carbonate

OH1-

Hydroxide

CIO1-

Hypochlorite

NO31-

Nitrate

NO21-

Nitrite

CIO41-

Perchlorate

MnO41-

Permanganate

PO43-

Phosphate

PO33-

Phosphite

SO42-

Sulfate

SO32-

Sulfite