chemistry polyatomic ions

Hg2

Hg2

mercury (I)

charge +2

NH4

ammonium

charge +1

NO2

nitrite

charge -1

NO3

nitrate

charge -1

SO3

sulfite

charge -2

SO4

sulfate

charge -2

HSO4

hydrogen sulfate

charge -1

OH

hydroxide

charge -1

CN

cyanide

charge -1

PO4

phosphate

charge -3

HPO4

hydrogen phosphate

charge -2

H2PO4

dihydrogen phosphate

charge -1

NCS

thiocyanate

charge -1

CO3

carbonate

charge -2

HCO3

hydrogen carbonate

charge -1

ClO

hypochlorite

charge -1

ClO2

chlorite

charge -1

ClO3

chlorate

charge -1

ClO4

perchlorate

charge -1

C2H3O2

acetate

charge -1

MnO4

permanganate

charge -1

Cr2O7

dichromate

charge -2

CrO4

chromate

charge -2

O2

peroxide

charge -2

C2O4

oxalate

charge -2

S2O3

thiosulfate

charge -2