Chemical Ions and Their Charges

Metals, Polyatomic, and Acid Anions

Copper

Cu^+, Cu^2+

Silver

Ag^+

Mercury

Hg2^+2, Hg^2+,

Gold

Au^+, Au^3+

Chromium

Cr^2+, Cr^3+

Iron

Fe^2+, Fe^3+

Lead

Pb^2+, Pb^4+

Zinc

Zn^2+

Tin

Sn^2+, Sn^4+

Nickel

Ni^2+, Ni^3+

Cobalt

Co^2+, Co^3+

Titanium

Ti^3+, Ti^4+

Ammonium

NH4^+

Hydronium

H3O^+

Acetate

C2H3O2^-

Perchlorate

ClO4^-

Chlorate

ClO3^-

Chlorite

ClO2^-

Hypochlorite

ClO^-

Cyanide

CN^-

Hydroxide

OH^-

Nitrate

NO3^-

Nitrite

NO2^-

Hydrogen sulfate (bisulfate)

HSO4^-

Hydrogen carbonate (bicarbonate)

HCO3^-

Dihydrogen phosphate

H2PO4^-

Permanganate

MnO4^-

Bromate

BrO3^-

Bromite

BrO2^-

Hypobromite

BrO^-

Iodate

IO3^-

Iodite

IO2^-

Hypoiodite

IO^-

Formate

HCOO^-

Carbonate

CO3^2-

Chromate

CrO4^2-

Dichromate

Cr2O7^2-

Peroxide

O2^2-

Sulfate

SO4^2-

Sulfite

SO3^2-

Oxalate

C2O4^2-

Hydrogen phosphate

HPO4^2-

Thiosulfate

S2O3^2-

Silicate

SiO3^2-

Carbide

C2^2-

Tartrate

C4H4O6^2-

Phthalate

C8H4O4^2-

Disulfate

S2^2-

Manganate

MnO4^2-

Hexafluorosilicate

SiF6^2-

Phosphate

PO4^3-

Phosphite

PO3^3-

Hypophosphite

PO2^3-

Borate

BO3^3-

Citrate

C6H5O7^3-

Arsenate

AsO4^3-

Arsenite

AsO3^3-