Gen Chem 1 polyatomic ions

NH4 +

ammonium

NO2 –

nitrite

NO3 –

nitrate

SO3 2–

sulfite

SO4 2–

sulfate

HSO4 –

Hydrogen sulfate/bisulfate

OH –

hydroxide

CN –

cyanide

PO4 3–

phosphate

HPO4 2–

Hydrogen phosphate

H2PO4 –

Dihydrogen phosphate

CO3 2–

carbonate

HCO3 –

bicarbonate

CH3COO–

acetate

MnO4–

permanganate

Cr2O7 2–

dichromate

CrO4 –

chromate

O2 2-

peroxide

ClO –

hypochlorite

ClO2 –

chlorite

ClO3 –

chlorate

ClO4 –

perchlorate