hydrogen
H+
sodium
Na+
silver
Ag+
potassium
K+
lithium
Li+
ammonium
NH4+
barium
Ba 2+
calcium
Ca 2+
copper (II)
Cu 2+
magnesium
Mg 2+
zinc
Zn 2+
lead (II)
Pb 2+
iron (II)
Fe 2+
iron (III)
Fe 3+
aluminium
Al 3+
chloride
Cl-
bromide
Br-
fluoride
F-
iodide
I-
hydrogencarbonate
HCO3 -
hydroxide
OH-
nitrate
NO3 -
oxide
O 2-
sulfide
S 2-
sulfate
SO4 2-
carbonate
CO3 2-