NO21–
nitrite
NO31-
nitrate
SO32-
sulfite
SO42-
sulfate
H3O+
Hydronium
OH1-
hydroxide
CN1-
cyanide
PO43-
phosphate
CO32-
carbonate
HCO31-
hydrogen carbonate
ClO1-
hypochlorite
ClO21-
chlorite
ClO31-
chlorate
ClO41-
perchlorate
C2H3O21-
acetate
NH41+
ammonium
CrO42-
chromate
Cr2O72-
dichromate
BrO31-
bromate
MnO41-
permanganate
O22-
peroxide
SCN1-
thiocynate