Important Ions

Al3+
Aluminum Ion
Ba2+
Barium Ion
B3+
Boron Ion
Cd2+
Cadmium Ion
Ca2+
Calcium Ion
Cs+
Cesium Ion
Cr2+
Chromium (II) Ion
Cr3+
Chromium (III) Ion
Co2+
Cobalt (II) Ion
Co3+
Cobalt (III) Ion
Cu+

Copper (I) Ion

Cuprous Ion

Cu2+

Copper (II) Ion

Cupric Ion

Au+
Gold Ion
H+

Hydrogen Ion

Proton

Fe2+

Iron (II) Ion

Ferrous Ion

Fe3+

Iron (III) Ion

Ferric Ion

Pb2+
Lead (II) Ion
Pb4+
Lead (IV) Ion
Li+
Lithium Ion
Mn2+
Manganese (II) Ion
Mn3+
Manganese (III) Ion
Mn4+
Manganese (IV) Ion
Mn6+
Manganese (VI) Ion
Mn7+
Manganese (VII) Ion
Hg22+

Mercury (I) Ion

Mercurous Ion

Hg2+

Mercury (II) Ion

Mercuric Ion

K+
Potassium Ion
Rb+
Rubidium Ion
Ag+
Silver Ion
Na+
Sodium Ion
Sr2+
Strontium Ion
Sn2+

Tin (II) Ion

Stannous Ion

Sn4+

Tin (IV) Ion

Stannic Ion

Zn2+
Zinc Ion
NH4+
Ammonium Ion
Br
Bromide
Cl
Chloride
F
Fluoride Ion
H
Hydride Ion
I
Iodide Ion
N3-
Nitride Ion
O2-
Oxide Ion
S2-
Sulfide Ion
CO32-
Carbonate Ion
HCO3

Hydrogen Carbonate Ion

Bicarbonate Ion

CrO42-
Chromate Ion
Cr2O72-
Dichromate Ion
CN
Cyanide Ion
OH
Hydroxide Ion
NO3
Nitrate Ion
NO2
Nitrite Ion
MnO4
Permanganate Ion
O22-
Peroxide Ion
PO43-
Phosphate Ion
HPO42-
Hydrogen Phosphate Ion
H2PO4
Dihydrogen Phosphate Ion
SO42-
Sulfate Ion
HSO4

Hydrogen Sulfate Ion

Bisulfate Ion

SO32-
Sulfite Ion
HSO3

Hydrogen Sulfite Ion

Bisulfite Ion

ClO
Hypochlorite Ion
ClO2
Chlorite Ion
ClO3
Chlorate Ion
ClO4
Perchlorate Ion