Common Polyatomic Ions

Use to memorize the common polyatomic Ions there are.

Ammonium

NH₄⁺

Silver

Ag⁺

Zinc

Zn²⁺

Bicarbonate (Hydrogen Carbonate)

HCO₃^-

Perchlorate

ClO₄^-

Chlorate

ClO₃^-

Chlorite

ClO₂^-

Hypochlorite

ClO^-

Cyanide

CN^-

Hydroxide

OH^-

Nitrate

NO₃^-

Nitrite

NO₂^-

Bromate

BrO₃^-

Bromite

BrO₂^-

Acetate

C₂H₃O₂^-

Permanganate

MnO₄^-

Carbonate

CO₃^2-

Sulfate

SO₄^2-

Sulfite

SO₃^2-

Dichromate

Cr₂O₇^2-

Chromate

CrO₄^2-

Peroxide

O₂^2-

Oxalate

C₂O₄^2-

Phosphate

PO₄^3-

Phosphite

PO₃^3-