POLYATOMIC IONS

Acetate

CH3CO2 or CH3COO,-1

Ammonium

NH4,+1

Arsenate

AsO4,-3

Arsenite

AsO3,-3

Azide

N3,-1

Borate

BO3,-2

Bromate

BrO3,-1

Bromite

BrO2,-1

Carbonate

CO3,-2

Chlorate

ClO3,-1

Chlorite

ClO2,-1

Chromate

CrO4,-2

Chromite

CrO2,-1

Citrate

C6H5O7,-3

Cyanate

OCN,-1

Cyanide

CN,-1

Dichromate

Cr2O7,-2

Dihydrogenphosphate

H2PO4,-1

Dihydrogenphosphite

H2PO3,-1

Dithionate

S2O6,-2

Dithionite

S2O4,-2

Ferricyanide

Fe(CN)6,-3

Ferrocyanide

Fe(CN)6,-4

Fulminate

CNO,-1

Hydrazide

N2H3,-1

Hydrogenarsenate

HAsO4,-2

Hydrogencarbonate(bicarbonate)

HCO3,-1

Hydrogenphosphate

HPO4,-2

Hydrogenphosphite

HPO3,-2

Hydrogensulfate(bisulfate)

HSO4,-1

Hydrogensulfite(bisulfite)

HSO3,-1

Hydroxide

OH,-1

Hypobromite

BrO,-1

Hypochlorite

ClO,-1

Hypoiodite

IO,-1

Iodate

IO3,-1

Iodite

IO2,-1

Isocyanate

NCO,-1

Manganate

MnO4,-2

Nitrate

NO3,-1

Nitrite

NO2,-1

Oxalate

C2O4,-2

Ozonide

O3,-1

Perbromate

BrO4,-1

Perchlorate

ClO4,-1

Periodate

IO4,-1

Permanganate

MnO4,-1

Peroxide

O2,-2

Phosphate

PO4,-3

Phosphite

PO3,-3

Plumbate

PbO3,-2

Plumbite

PbO2,-2

Rhenate

ReO4,-2

Selenate

SeO4,-2

Selenite

SeO3,-2

Silicate

SiO3,-2

Stannate

SnO3,-2

Stannite

SnO2,-2

Sulfate

SO4,-2

Sulfite

SO3,-2

Superoxide

O2,-1

Thiocyanate

SCN,-1

Thiosulfate

S2O3,-2

Tungstate

WO4,-2