One of the notable features of a transition elements is the great variety
of oxidation states these may show in their compounds Table 4 3 lists
the common oxidation states of the first row transition elements Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
Zn
+2
+2
+2
+2
+2
+2
+2
+1
+2
+3
+3
+3
+3
+3
+3
+3
+3
+2
+4
+4
+4
+4
+4
+4
+4
+5
+5
+5
+6
+6
+6
+7
Table 4