aluminium
al3+
barium
ba2+
calcium
ca2+
goud
au+ of Au3+
ijzer
fe2+ of Fe3+
kalium
K+
koper
cu2+
kwik
Hg+ of Hg2+
lithium
Li+
lood
Pb2+ of Pb4+
magnesium
Mg2+
mangaan
Mn2+ of Mn4+
natrium
Na+
tin
Sn2+ of Sn4+
uraan
U3+ of U6+
zilver
ag+
zink
Zn2+
fluoride
F-
chloride
Cl-
bromide
br-
jodide
I-
oxide
O2-
sulfide
S2-
ammonium
NH4^+