AP Chem Polyatomic Ions

Acetate

C₂H₃O_2^-

Ammonium

NH_4⁺

Borate

BO₃^3-

Bromate

BrO_3^-

Bromite

BrO_2^-

Carbonate

CO₃^2-

Chlorate

ClO_3^-

Chlorite

ClO_2^-

Chromate

CrO₄^2-

Cyanide

CN^-

Dichromate

Cr₂O₇^2-

Dihydrogen Phosphate

H₂PO_4^-

Hydrogen Carbonate

HCO_3^-

Hydrogen Phosphate

HPO₄^2-

Hydrogen Sulfate

HSO_4^-

Hydroxide

OH^-

Hypobromite

BrO^-

Hypochlorite

ClO^-

Hypoiodite

IO^-

Iodate

IO_3^-

Iodite

IO_2^-

Mercury (I)

Hg₂²⁺

Nitrate

NO_3^-

Nitrite

NO_2^-

Oxalate

C₂O₄^2-

Perbromate

BrO₄-

Perchlorate

ClO₄-

Periodate

IO₄-

Permanganate

MnO₄-

Peroxide

O₂^2-

Phosphate

PO₄^3-

Selenate

SeO₄^2-

Sulfate

SO₄^2-

Sulfite

SO₃^2-

Thiosulfate

S₂O₃^2-