Polyatomic Ions (Names and Formulas)

BrO₂^—

Bromite

MnO₄^—

Permanganate

ClO₄^—

Perchlorate

BO₃^3—

Borate

O₂^2—

Peroxide

Hg₂²⁺

Mercury(I)

IO₂^—

Iodite

C₂O₄^2—

Oxalate

BrO₄^—

Perbromate

CO₃^2—

Carbonate

BrO₃^—

Bromate

Ag⁺

Silver

Zn²⁺

Zinc

NO₃^—

Nitrate

ClO^—

Hypochlorite

C₂H₃O₂^—

Acetate

H₂PO₄^—

Dihydrogen phosphate

NCS^—

Thiocyanite

BrO^—

Hyperbromite

S₂O₃^2—

Thiosulfate

IO^—

Hypoidodite

SO₄^2—

Sulfate

IO₃^—

Iodate

OH^—

Hydroxide

CN^—

Cyanide

PO₄^3—

Phosphate

HPO₄^2—

Hydrogen phosphate

ClO₃^—

Chlorate

HSO₄^—

Hydrogen sulfate (bisulfate)

ClO₂^—

Chlorite

CrO₄^2—

Chromate

SO₃^2—

Sulfite

HCO₃^—

Hydrogen carbonate (bicarbonate)

NO₂^—

Nitrite

NH₂^—

Amide

NH₄⁺

Ammonium

IO₄^—

Periodate

Cr₂O₇^2—

Dichromate