AP Chem Polyatomic Ions (copy)

Acetate

C2H3O2-

Bicarbonate (Hydrogen carbonate)

HCO3-

Bromate

BrO3-

Perchlorate

ClO4-

Chlorate

ClO3-

Chlorite

ClO2-

Hypochlorite

ClO-

Hydroxide

OH-

Iodate

IO3-

Nitrate

NO3-

Nitrite

NO2-

Permanganate

MnO4-

Cyanide

CN-

Thiocyanate

SCN-

Carbonate

CO3^2-

Chromate

CrO4^2-

Dichromate

Cr2O7^2-

Oxalate

C2O4^2-

Silicate

SiO3^2-

Sulfate

SO4^2-

Sulfite

SO3^2-

Tartrate

C4H4O6^2-

Thiosulfate

S2O3^2-

Hydrogen Phosphate

HPO4^2-

Phosphate

PO4^3-

Phosphite

PO3^3-

Arsenate

AsO4^3-

Cadmium Ion

Cd^2+

Silver Ion

Ag^+

Zinc Ion

Zn^2+

Ammonium

NH4^+

Mercury (I)

Hg2^2+

Mercury (II)

Hg^2+

Peroxide

O2^2-

Superoxide

O2^-

Hydronium

H3O^+