Polyatomic ions, Polyatomic ions (copy)

acetate

CH3COO or C2H3O2, 1-

hypochlorite

 ClO, 1-

chlorite

ClO2, 1-

chlorate

ClO3, 1-

perchlorate

ClO4, 1-

cyanide

CN, 1-

bicarbonate
(hydrogen carbonate)

HCO3, 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-

ammonium

NH4, 1+

Dihydrogen Phosphate

H2PO4, 2-

Hydrogen Phosphate

HPO4, 2-