2
4 2
4 2 Electronic
Electronic
Electronic
Electronic
Electronic
Configurations
Configurations
Configurations
Configurations
Configurations
of the d-Block
of the d-Block
of the d-Block
of the d-Block
of the d-Block
Elements
Elements
Elements
Elements
Elements
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
Zn
Z
21
22
23
24
25
26
27
28
29
30
4s
2
2
2
1
2
2
2
2
1
2
3d
1
2
3
5
5
6
7
8
10
10
1st Series
Table 4 1: Electronic Configurations of outer orbitals of the Transition Elements
(ground state)
Rationalised 2023-24
91
The d- and f- Block Elements
The electronic configurations of outer orbitals of Zn, Cd, Hg and Cn
are represented by the general formula (n-1)d
10ns
2