Common Ions

Ammonium

NH₄⁺

Copper (I) (green)

Cu⁺

Hydronium

H₃O⁺

Silver

Ag⁺

Tin (IV)

Sn⁴⁺

Lead (IV)

Pb⁴⁺

Vanadium (IV)

V⁴⁺

Cadminum

Cd²⁺

Chromium (II)

Cr²⁺

Copper (II) (blue)

Cu²⁺

Cobalt (II)

Co²⁺

Iron (II) (green)

Fe²⁺

Lead (II)

Pb²⁺

Mercury (I)

Hg₂²⁺

Mercury (II)

Hg²⁺

Manganese (II)

Mn²⁺

Nickel (II) (green)

Ni²⁺

Tin (II)

Sn²⁺

Vanadium (II)

V²⁺

Zinc

Zn²⁺

Cobalt (III) (blue)

Co³⁺

Chromium (III)

Cr³⁺

Iron (III)

Fe³⁺

Lead (III)

Pb³⁺

Nickel (III)

Ni³⁺

Vanadium (III)

V³⁺

Manganese (VII)

Mn⁷⁺

Acetate

C₂H₃O₂^-

Bromate

BrO₃^-

Hypochlorite

ClO^-

Chlorite

ClO₂^-

Chlorate

ClO₃^-

Perchlorate

ClO₄^-

Cyanide

CN^-

Dihydrogen Phosphate

H₂PO₄^-

Hydrogen Carbonate (bicarbonate)

HCO₃^-

Hydrogen Sulfate (bisulfate)

HSO₄^-

Hydroxide

OH^-

Nitrite

NO₂^-

Nitrate

NO₃^-

Iodate

IO₃^-

Permanganate

MnO₄^-

Carbonate

CO₃^2-

Chromate (yellow)

CrO₄^2-

Dichromate (orange)

Cr₂O₇^2-

Hydrogen Phosphate

HPO₄^2-

Oxalate

C₂O₄^2-

Peroxide

O₂^2-

Sulfite

SO₃^2-

Sulfate

SO₄^2-

Thiosulfate

S₂O₃^2-

Phosphite

PO₃^3-

Phosphate

PO₄^3-

Arsenate

AsO₄^3-