H3O+
hydronium
NH4+
ammonium
Ag+
silver
ammonium
NH4+
aluminum
Al+3
Cu+2
copper (II)
Al+3
aluminum
tin (II)
Sn+2
H+
hydrogen
hydronium
H3O+
mercury (I)
Hg2+2
nickel
Ni+2
Ni+2
nickel
Rb+
rubidium
Fe+2
iron (II)
cobalt (II)
Co+2
Mg+2
magnesium
Cr+2
chromium (II)
hydrogen
H+
magnesium
Mg+2
Cd+2
cadmium
Sr+2
strontium
chromium (III)
Cr+3
Pb+4
lead (IV)