Hydrogen
H+
Sodium
Na+
Silver
Ag+
Potassium
K+
Lithium
Li+
Ammonium
(NH4)^+
Barium
Ba2+
Calcium
Ca2+
Copper (II)
Cu2+
Magnesium
Mg2+
Zinc
Zn2+
Lead
Pb2+
Iron (III)
Fe3+
Iron (II)
Fe2+
Aluminium
Al3+
Chloride
Cl-
Bromide
Br-
Fluoride
F-
Iodide
I-
Hydroxide
OH-
Nitrate
(NO3)^-
Oxide
O2-
Sulfide
S2-
Sulfate
(SO4)^2-