Polyatomic and Mutlivalent Ion

NH₄⁺

Ammonium

C₂H₃O₂^-

Acetate

CN^-

Cyanide

OH^-

Hydroxide

NO₃^-

Nitrate

NO₂^-

Nitrite

MnO₄^-

Permanganate

CO₃^2-

Carbonate

CrO₄^2-

Chromate

Cr₂O₇^2-

Dichromate

SO₄^2-

Sulfate

SO₃^2-

Sulfite

PO₄^3-

Phosphate

ClO₃^-

Chlorate

ClO₄^-

perchlorate

ClO₂^-

Chlorite

HCO₃^-

hydrogen carbonate or bicarbonate

CU²⁺

Copper (II)

Cr³⁺

Chromium (III)

CO³⁺

Cobalt (III)

Fe³⁺

Iron (III)

Pb⁴⁺

Lead (IV)

Sn⁴⁺

Tin (IV)

Ni³⁺

Nickel (III)

Cu⁺

Copper (I)

Cr²⁺

Chromium (II)

Co²⁺

Cobalt (II)

Fe²⁺

Iron (II)

Pb²⁺

Lead (II)

Sn²⁺

Tin (II)

Ni²⁺

Nickel (II)

Ag⁺

Silver

Cd²⁺

Cadmium

Zn²⁺

Zinc

ClO^-

hypochlorite