Hydrogen
H +1
Lithium
Li +1
Sodium
Na +1
Potassium
K +1
Rubidium
Rb +1
Cessium
Cs +1
Silver
Ag +1
Magnesium
Mg +2
Calcium
Ca +2
Strontium
Sr +2
Barium
Ba +2
Zinc
Zn +2
Cadmium
Cd +2
Aluminum
Al +3
Ammonium
NH4 +1
Hydronium
H3O +1
Antimony
Sb
+3, +5
Chromium
Cr
+2, +3
Cobalt
Co
+2, +3
Copper
Cu
+1, +2
Iron
Fe
+2, +3
Gold
Au
+1, +3
Lead
Pb
+2, +4
Manganese
Mn
+2, +3