Polyatomic Ions Names and Chemical Formulas

Acetate

C₂H₃O₂^1-

Cyanide

CN^1-

Hydroxide

OH^1-

Permanganate

MnO₄^1-

Nitrate

NO₃^1-

Nitrite

NO₂^1-

Hydrogen Carbonate

HCO₃^1-

Hydrogen Carbonite

HCO₂^1-

Dihydrogen Phosphate

H₂PO₄^1-

Dihydrogen Phosphite

H₂PO₃^1-

Hydrogen Sulfate

HSO₄^1-

Hydrogen Sulfite

HSO₃^1-

Perchlorate

CLO₄^1-

Chlorate

ClO₃^1-

Chlorite

ClO₂^1-

Hypochlorite

ClO^1-

Perbromate

BrO₄^1-

Bromate

BrO₃^1-

Bromite

BrO₂^1-

Hypobromite

BrO^1-

Periodate

IO₄^1-

Iodate

IO₃^1-

Iodite

IO₂^1-

Hypoiodite

IO^1-

Carbonate

CO₃^2-

Carbonite

CO₂^2-

Chromate

CrO₄^2-

Dichromate

Cr₂O₇^2-

Hydrogen Phophate

HPO₄^2-

Hydrogen Phosphite

HPO₃^2-

Sulfate

SO₄^2-

Sulfite

SO₃^2-

Peroxide

O₂^2-

Thiosulfate

S₂O₃^2-

Arsenate

AsO₄^3-

Arsenite

AsO₃^3-

Phosphate

PO₄^3-

Phosphite

PO₃^3-

Ammonium

NH₄¹⁺

Mercury (I)

Hg₂²⁺