CH 101 Polyatomic Ions

Acetate

C2H3O2-

Carbonate

(CO3)2-

Hydrogen Carbonate (Bicarbonate)

HCO3-

Hydroxide

OH-

Nitrite

NO2-

Nitrate

NO3-

Chromate

(CrO4)2-

Dichromate

(Cr2O7)2-

Phosphate

(PO4)3-

Hydrogen Phosphate

(HPO4)2-

Dihydrogen Phosphate

H2PO4-

Ammonium

NH4+

Hypochlorite

ClO-

Chlorite

ClO2-

Chlorate

ClO3-

Perchlorate

ClO4-

Permanganate

MnO4-

Sulfite

(SO3)2-

Hydrogen Sulfite (Bisulfite)

HSO3-

Sulfate

(SO4)2-

Hydrogen Sulfate (Bisulfate)

HSO4-

Cyanide

CN-

Peroxide

(O2)2-