CBSE Class 12-science Answered
Why scandium (Z = 21) is a transition element but zinc (Z = 30) is not?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
The outer electronic configuration of scandium ( Z = 21) is 3d14s2 while that of zinc( Z = 30) is 3d104s2. Since scandium has incompletely filled d orbital in its ground state it is regarded as transition metal while zinc do not have incompletely filled d-orbital in either ground state or any of its oxidized state so it is not regarded as transition metal.
Answered by | 04 Jun, 2014, 03:23: PM
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