AP Chemistry: Polyatomic Ions

Azide

N3^-1

Benzoate

C7H5O2^-1

Formate

HCO2^-1

Acetate

C2H3O2^-1

Amide

NH2^ -1

Bromate

BrO3^-1

Chlorate

ClO3^-1

Cyanate

OCN^-1

Cyanide

CN^-1

Dihydrogen Phosphate

H2PO4^-1

Hydrogen Carbonate/ Bicarbonate

HCO3^-1

Hydrogen sulfate/ bisulfate

HSO4^-1

Bisulfide

HS^-1

Hydroxide

OH^-1

Hypochlorite

ClO^-1

Iodate

IO3^-1

Nitrate

NO3^-1

Nitrite

NO2^-1

Perchlorate

ClO4^-1

Permanganate

MnO4^-1

Thiocyanate

SCN^-1

Carbide

C2^-2

Carbonate

CO3^-2

Chromate

CrO4^-2

Dichromate

Cr2O7^-2

Imide

NH^-2

Manganate

MnO4^-2

Metasilicate

SiO3^-2

Monohydrogen Phosphate

HPO4^-2

Oxalate

C2O4^-2

Peroxide

O2^-2

Peroxydisulfate

S2O8^-2

Pthalate

C8H4O4^-2

Polysulfide

Sx^-2

Selenate

SeO4^-2

Sulfate

SO4^-2

Sulfite

SO3^-2

Tartrate

C4H4O6^-2

Tellurate

TeO4^-2

Tetraborate

B4O7^-2

Thiosulfate

S2O3^-2

Tungstate

WO4^-2

Zincate

ZnO2^-2

Aluminate

AlO3^-3

Arsenate

AsO4^-3

Borate

BO3^-3

Citrate

C6H5O7^-3

Phosphate

PO4^-3

Phosphite

PO3^-3

Orthosilicate

SiO4^-4

Pyrophosphate

P2O7^-4

Tripolyphosphate

P3O10^-5

Ammonium

NH4+1

Ammonia

NH3

Hydronium

H3O+1