Oksüdatsiooni tase
+2
Mn manganese (II) Co+2 cobalt (II), cobaltous
+3
all the IIIA elements exhibit the +3 state, but Tl exhibits +1 as well
Fe+3 iron (III), ferric B+3 boron
+3
Cr chromium (III) Al+3 aluminum
+3
Ni nickel (III) Ga+3 gallium
+3
Co cobalt (III), cobaltic In+3 indium
+3
Au gold (III) Tl+3 thallium (III)
Ti+3 titanium (III) Sc+3 scandium
+4
all elements in IVA exhibit the +4 state, but some in IVA exhibit more than one state
C+4 carbon Sn+4 tin (IV), stannic
+4 +4
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