AP Chem-Polyatomic Ions

Ag (1+ charge)

Ag (1+ charge)

Silver

Zn (2+ charge)

Zinc

Hg2 (2+ charge)

Mercury(I)

NH4 (1+ charge)

Ammonium

H3O (1+ charge)

Hydronium

NO2 (1- charge)

Nitrite

NO3 (1- charge)

Nitrate

SO3 (2- charge)

Sulfite

SO4 (2- charge)

Sulfate

HSO4 (1- charge)

Hydrogen sulfate (bisulfate)

OH (1- charge)

Hydroxide

CN (1- charge)

Cyanide

PO4 (3- charge)

Phosphate

HPO4 (2- charge)

Hydrogen phosphate

H2PO4 (1- charge)

Dihydrogen phosphate

NCS or SCN (1- charge)

Thiocyanate

CO3 (2- charge)

Carbonate

HCO3 (1- charge)

Hydrogen carbonate (bicarbonate)

ClO (1- charge)

Hypochlorite

ClO2 (1- charge)

Chlorite

ClO3 (1- charge)

Chlorate

ClO4 (1- charge)

Perchlorate

BrO (1- charge)

Hypobromite

BrO2 (1- charge)

Bromite

BrO3 (1- charge)

Bromate

BrO4 (1- charge)

Perbromate

IO (1- charge)

Hypoiodite

IO2 (1- charge)

Iodite

IO3 (1- charge)

Iodate

IO4 (1- charge)

Periodate

C2H3O2 (1- charge)

Acetate

MnO4 (1- charge)

Permangenate

Cr2O7 (2- charge)

Dichromate

CrO4 (2- charge)

Chromate

O2 (2- charge)

Peroxide

C2O4 (2- charge)

Oxalate

NH2 (1- charge)

Amide

BO3 (3- charge)

Borate

S2O3 (2- charge)

Thiosulfate

SiO3 (2- charge)

Silicate

HSO3 (1- charge)

Hydrogen sulfite (bisulfite)

PO3 (3- charge)

Phosphite

C4H4O6 (2- charge)

Tartrate

SeO4 (2- charge)

Selenate

SiF6 (2- charge)

Hexaflourosilicate

C6H5O7 (3- charge)

Citrate

AsO4 (3- charge)

Arsenate

B4O7 (2- charge)

Tetraborate