Common Ions

Beryllium

Be^+2

Magnesium

Mg^+2

Calcium

Ca^+2

Strontium

Sr^+2

Barium

Ba^+2

Radium

Ra^+2

Aluminum

Al^+3

Tin(II)

Sn^+2

Tin(IV)

Sn^+4

Lead(II)

PB^+2

Lead(IV)

PB^+4

Nitride

N^-3

Phosphide

P^-3

Oxide

O^-2

Sulfide

S^-2

Fluoride

F^-

Chloride

Cl^-

Bromide

Br^-

Iodide

I^-

Zinc

Zn^+2

Silver

Ag^+1

Cobalt(II)

Co^+2

Cobalt(III)

Co^+3

Copper(I)

Cu^+

Copper(II)

Cu^+2

Iron(II)

Fe^+2

Iron(III)

Fe^+3

Chromium(II)

Cr^+2

Chromium(III)

Cr^+3

Chromium(IV)

Cr^+4

Gold(I)

Au^+

Gold(III)

Au^+3

Manganese(II)

Mn^+2

Manganese(IV)

Mn^+4

Mercury(I)

[2Hg]^+2

Mercury(II)

Hg^+2

Nickel(II)

Ni^+2

Cadmium(II)

Cd^+2

Perchlorate

ClO4^-

Chlorate

ClO3^-

Chlorite

ClO2^-

Hypochlorite

ClO^-

Nitrate

NO3^-

Nitrite

NO2^-

Hydroxide

OH^-

Cyanide

CN^-

Thiocyanate

CNS^-

Permanganate

MnO4^-

Formate

CHO2^-

Iodate

IO3^-

Hydrogen carbonate (bicarbonate)

HCO3^-

Hydride

H^-

Acetate

CH3CO2^- (C2H3O2^-)

Sulfate

SO4^-2

Sulfite

SO3^-2

Carbonate

CO3^-2

Oxalate

C2O4^-2

dichromate

Cr2O7^-2

Peroxide

O2^-2

Phosphate

PO4^-3

Phosphite

PO3^-3

Silicate

SiO4^-4

Ammonium

NH4^+