Chemistry common polyatomic ions

C₂H₃O₂^1-

Acetate

NH₄¹⁺

Ammonium

CO₃^2-

Carbonate

ClO₃^-

Chlorate

ClO₂^1-

Chlorite

CrO₄^2-

Chromate

CN^1-

Cyanide

Cr₂0₇^2-

Dichromate

HCO₃^1-

Bicarbonate

HsO₄^1-

Bisulfate

HsO₃^1-

Bisulfite

OH^1-

hydroxide

ClO^1-

Hypochlorite

NO₃^1-

Nitrate

NO₂¹

Nitrite

C₂O₄^1-

Oxalate

ClO₄^1-

Perchlorate

MnO₄^1-

Permanganate

PO₄^3-

Phosphate

SO₄^2-

Sulfate

SO₃^2-

Sulfite