Polyatomic Ions

CH 301

These are the ions you should remember from CH 301. For the ions on the list below, know the

formula, charge, and name of each ion.

NO– Nitrate

ClO4– Perchlorate

NO2– Nitrite

ClO3– Chlorate

CO32– Carbonate

ClO2– Chlorite

SO42– Sulfate

ClO– Hypochlorite

SO32- Sulfite

NH4+ Ammonium

PO43– Phosphate

OH– Hydroxide

MnO4– Permanganate

CN– Cyanide

CH 302

For CH 302, these are ions you will need to know in addition to the ones above. Know the formula, charge, and name of each ion.

CrO42– Chromate

PO33– Phosphite

Cr2O72– Dichromate

O22– Peroxide

CH3COO– Acetate

IO4– Periodate

HCO3– Bicarbonate

IO3– Iodate

BrO4– Perbromate

IO2– Iodite

BrO3– Bromate

IO– Hypoiodite

BrO2– Bromite

BrO– Hypobromite