The 23 Polyatomic Ions- Chemistry Ch. 4

The main "need-to-know" polyatomic ions that don't follow the Nomenclature rules for ions.

Acetate

Acetate

C2H3O2^-1

Carbonate

CO3^-2

Hydrogen Carbonate (Bicarbonate)

HCO3^-1

Hydroxide

OH^-1

Nitrite

NO2^-1

Nitrate

NO3^-1

Chromate

CrO4^-2

Dichromate

Cr2O7^-2

Phosphate

PO4^-3

Hydrogen Phosphate

HPO4^-2

Dihydrogen Phosphate

H2PO4^-1

Ammonium

NH4^+1

Hypochlorite

ClO^-1

Chlorite

ClO2^ -1

Chlorate

ClO3^-1

Perchlorate

ClO4^-1

Permanganate

MnO4^-1

Sulfite

SO3^-2

Hydrogen Sulfite (Bisulfite)

HSO3^-1

Sulfate

SO4^-2

Hydrogen Sulfate (Bisulfate)

HSO4^-1

Cyanide

CN^-1

Peroxide

O2^-2