CHEM 103- POLYATOMIC IONS TO KNOW

Hydroxide

OH^-

Hydronium

H₃O⁺

Ammonium

NH₄⁺

Nitrate

NO₃^-

Nitrite

NO₂^-

Perchlorate

CIO₄^-

Chlorate

CIO₃^-

Chlorite

CIO₂^-

Hypochlorite

CIO^-

Carbonate

CO₃^2-

Chromate

CrO₄^2-

Permanganate

MnO₄^-

Bicarbonate

HCO₃^-

Cyanide

CN^-

Sulfate

SO₄^2-

Hydrogen Sulfate OR bisulfate

HSO₄^-

Sulfite

SO₃^2-

Hydrogen sulfite OR bisulfite

HSO₃^-

Phosphate

PO₄^3-

Hydrogen Phosphate

HPO₄^2-

Dihydrogen Phosphate

H₂PO₄^-

Phosphite

PO₃^3-

Acetate

CH₃COO^-

C₂H₃O₂^-

Dichromate

Cr₂O₇^2-