Polyatomic Ions

NH4^+1

NH4^+1

Ammonium

NO2 ^-1

Nitrite

NO3^-1

Nitrate

OH-1

Hydroxide

CN^-1

Cyanide

MnO4^-1

Permanagate

MnO4^-2

Manganate

BrO4^-1

Perbromate

BrO3^-1

Bromate

BrO2^-1

Bromite

BrO^-1

Hyperbromite

ClO^-1

Hypochlorite

ClO2^-1

Chlorite

ClO3^-1

Chlorate

ClO4^-1

Perchlorate

IO4^-1

Periodate

IO3^-1

Iodate

IO2^-1

Iodite

IO^-1

Hypoiodite

SO3^-2

Sulfite

SO4^-2

Sulfate

HSO4^-1

Hydrogen sulfate or bisulfate

CrO4^-2

Chromate

Cr2O7^-2

Dichromate

H2PO4^-1

Dihydrogen phosphate

HPO4^-2

Hydrogen phosphate

PO4^-3

Phosphate

PO3^-3

Phosphite

CO3^-2

Carbonate

C2H3O2^-1

Acetate

HCO3^-1

Hydrogen carbonate or bicarbonate

C2O4^-2

Oxalate

H3O+1

Hydronium