AP Chemistry polyatomic ion list

for my AP chem class

Acetate

CH3COO- (or C2H3O2-)

Hydroxide

OH-

Bicarbonate

HCO3-

Nitrite

NO2-

Nitrate

NO3-

Chlorite

ClO2-

Chlorate

ClO3-

Perchlorate

ClO4-

Cyanide

CN-

Thiocyanate

SCN-

Hypochlorite

OCl-

Iodate

IO3-

Permanganate

MnO4-

Carbonate

CO3^2-

Peroxide

O2^2-

Sulfite

SO3^2-

Sulfate

SO4^2-

Chromate

CrO4^2-

Dichromate

Cr2O7^2-

Oxalate

C2O4^2-

Silicate

SiO3^2-

Thiosulfate

S2O3^2-

Phosphite

PO3^3-

Phosphate

PO4^3-

Arsenide

As^3-

Ammonium

NH4+