5Mercury (I), mercurous
Hg2+2
9Chromium (II), chromous
Cr+2
10Cobalt (II), cobaltous
Co+2
11Copper (II), cupric
Cu+2
13Lead (II), plumbous
Pb+2
14Manganese (II), manganous
Mn+2
15Mercury (II), mercuric
Hg+2
21Chromium (III), chromic
Cr+3
35Dihydrogen Phosphate
H2PO4-1
38Hydrogen Carbonate, bicarbonate
HCO3-1
39Hydrogen Sulfate, bisulfate
HSO4-1
40Hydrogen Sulfide, bisulfide
HS-1
41Hydrogen Sulfite, bisulfite
HSO3-1
59Monohydrogen Phosphate
HPO4-2