Ammonium
NH4+
Cesium
Cs+
Copper (I) / Cuprous
Cu+
Gold (I) / Aurous
Au+
Hydrogen
H+
Lithium
Li+
Potassium
K+
Silver
Ag+
Sodium
Na+
Barrium
Ba2+
Beryllium
Be2+
Cadmium
Cd2+
Calcium
Ca2+
Chromium (II) / Chromous
Cr2+
Cobalt (II) / Cobaltous
Co2+
Magnesium
Mg2+
Manganese (II) / Manganous
Mn2+
Mercury (I) / Mercurous
[Hg2]2+
Mercury (II) / Mercuric
Hg2+
Nickel (II) / Nickelic
Ni2+
Strontium
Sr2+
Copper (II) / Cupric
Cu2+
Iron (II) / Ferrous
Fe2+
Lead (II) / Plumbous
Pb2+