Polyatomic Ions

NO3(-)

nitrate, nitric acid

NO2(-)

nitrite, nitrous acid

SO4(2-)

sulfate, sulfuric acid

SO3(2-)

sulfite, sulfurous acid

S2O3(2-)

thiosulfate

ClO4(-)

perchlorate, perchloric acid

ClO3(-)

chlorate, chloric acid

ClO2(-)

chlorite, chlorous acid

ClO(-)

hypochlorite, hypochlorous acid

PO4(3-)

phosphate, phosphoric acid

CO3(2-)

carbonate, carbonic acid

OH(-)

hydroxide

CN(-)

cyanide, hydrocyanic acid

SCN(-)

thiocyanate

C2H3O2(-)

acetate, acetic acid

MnO4(-)

permanganate

MnO4(2-)

manganate

Cr2O7(2-)

dichromate

CrO4(2-)

chromate, chromic acid

C2O4(2-)

oxalate, oxalic acid

Hg2(2+)

dimercury

NH4(+)

ammonium

O2(2-)

peroxide

NH3

ammonia