Polyatomic Ions

Ammonium

NH₄¹⁺

Bromate

BrO₃^1-

Cyanide

CN^1-

Acetate

C₂H₃O₂^1-

Perchlorate

ClO₄^1-

Chlorate

ClO₃^1-

Chlorite

ClO₂^1-

Hypochlorite

ClO^1-

Iodate

IO₃^1-

Permanganate

MnO₄^1-

Nitrate

NO₃^1-

Nitrite

NO₂^1-

Hydroxide

OH^1-

Hydrogen Carbonate

HCO₃^1-

Hydrogen Sulfate

HSO₄^1-

Thiocyanate

SCN^1-

Carbonate

CO₃^2-

Dichromate

Cr₂O₇^2-

Chromate

CrO₄^2-

Sulfate

SO₄^2-

Sulfite

SO₃^2-

Phosphate

PO₄^3-

Phosphite

PO₃^3-

Oxalate

C₂O₄^2-

Peroxide

O₂^2-