Chemistry Unit 3 Polyatomic Ions

Ammonium

NH4 1+

Acetate

C2H3O2 1-

Bicarbonate or Hydrogen Carbonate

HCO3 1-

Perchlorate

ClO4 1-

Chlorate

ClO3 1-

Chlorite

ClO2 1-

Hypochlorite

ClO 1-

Cyanide

CN 1-

Hydroxide

OH 1-

Nitrate

NO3 1-

Nitrite

NO2 1-

Permanganate

MnO4 1-

Carbonate

CO3 2-

Chromate

CrO4 2-

Dichromate

Cr2O7 2-

Sulfate

SO4 2-

Sulfite

SO3 2-

Phosphate

PO4 3-

Phosphite

PO3 3-