Common Cations (by Janssen Kotah)

Ammonium
NH4 +1
Cuprous
Cu +1
Hydronium
H3O +1
Potassium
K +1
Silver
Ag +1
Sodium
Na +1
Barium
Ba +2
Calcium
Ca +2
Carbon
C +2
Cupric
Cu +2
Aurous
Au +1
Ferrous
Fe +2
Plumbous
Pb +2
Magnesium
Mg +2
Manganese
Mn +2
Mercurous
Hg2 +2
Mercuric
Hg +2
Nickel
Ni +2
Stannous
Sn +2
Zinc
Zn +2
Aluminum
Al +3
Arsenic
As +3
Bismuth
Bi +3
Chromium
Cr +3
Auric
Au +3
Ferric
Fe +3
Platinum
Pt +3
Silicon
Si +4
Stannic
Sn +4
Tungsten
W +6