21
|
Scandium
|
[Ar]3d14s2
|
22
|
Titanium
|
[Ar]3d24s2
|
23
|
Vanadium
|
[Ar]3d34s2
|
24
|
Chromium
|
[Ar]3d54s1
|
25
|
Manganese
|
[Ar]3d54s2
|
26
|
Iron
|
[Ar]3d64s2
|
27
|
Cobalt
|
[Ar]3d74s2
|
28
|
Nickel
|
[Ar]3d84s2
|
29
|
Copper
|
[Ar]3d104s1
|
30
|
Zinc
|
[Ar]3d104s2
|
31
|
Gallium
|
[Ar]3d104s24p1
|
32
|
Germanium
|
[Ar]3d104s24p2
|
33
|
Arsenic
|
[Ar]3d104s24p3
|
34
|
Selenium
|
[Ar]3d104s24p4
|
35
|
Bromine
|
[Ar]3d104s24p5
|
36
|
Krypton
|
[Ar]3d104s24p6
|
the electronic configuration for Venedium,
Z = 23
1s22s22p63s23p64s23d3
the electronic configuration for Chromium,
Z = 24
1s22s22p63s23p64s13d5Â Â
and
sameway,
the electronic configuration for Nickel
Z = 28
1s22s22p63s23p64s23d8
the electronic configuration for Copper
Z = 29
1s22s22p63s23p64s13d10
here electronic confguration gives the more stability for
Chromium is more than the Venedium
and
for Copper than Nickel
because the half and fullfilled orbitals with electrons.