Polyatomic ions/naming rules

Ammonium

NH₄⁺

Mercury (I)

Hg₂²⁺

Mercury (II)

Hg²⁺

Hydronium

H₃O⁺

Hydroxide

OH^-

Cyanide

CN^-

Peroxide

O₂^2-

Azide

N₃^-

Acetate

C₂H₃O₂^-

Acetic Acid

CH₃COOH^-

Chlorate

ClO₃^-

Nitrate

NO₃^-

Permanganate

MnO₄^-

Carbonate

CO₃^2-

Sulfate

SO₄^2-

Sulfite

SO₃^2-

Nitrite

NO₂^-

Perchlorate

ClO₄^-

Chlorite

ClO₂^-

Hypochlorite

ClO^-

Bromate

BrO₃^-

Perbromate

BrO₄^-

Bromite

BrO₂^-

Hypobromite

BrO^-

Iodate

IO₃^-

Periodiate

IO₄^-

Iodite

IO₂^-

Hypoiodate

IO^-

Phosphate

PO₄^3-

Phosphite

PO₃^3-

Hydrogen Sulfate

HSO₄^-

Hydrogen Carbonate

HCO₃^-

Hydrogen Sulfite

HSO₃^-

Hydrogen Phosphate

HPO₄^2-

dihydrogen phosphate

H₂PO₄^-