Question

to which block does the element with configuration 3D 10-4 S2 belongs

Answer 1

in d block 12th group elements configuration is 3d¹0 4s².

in this group elements → Zn ,Cd ,Hg

Answer 2

Rn] 6d1 7s2          



[Rn] 7s2 6d1          



2D3/2



Aluminum

[Ne] 3s2 3p1          



[Ne] 3s2 3p1          



2P1/2



Americium

[Rn] 5f7 7s2          



[Rn] 7s2 5f7          



8S7/2



Antimony

[Kr] 4d10 5s2 5p3     



[Kr] 5s2 4d10 5p3     



4S3/2



Argon

[Ne] 3s2 3p6          



[Ne] 3s2 3p6          



1S0



Arsenic

[Ar] 3d10 4s2 4p3     



[Ar] 4s2 3d10 4p3     



4S3/2



Astatine

[Xe] 4f14 5d10 6s2 6p5



[Xe] 6s2 4f14 5d10 6p5



2P3/2



Barium

[Xe] 6s2              



[Xe] 6s2              



1S0



Berkelium

[Rn] 5f9 7s2          



[Rn] 7s2 5f9          



6H15/2



Beryllium

[He] 2s2              



[He] 2s2              



1S0



Bismuth

[Xe] 4f14 5d10 6s2 6p3



[Xe] 6s2 4f14 5d10 6p3



4S3/2



Bohrium

[Rn] 5f14 6d5 7s2     



[Rn] 7s2 5f14 6d5     



6S5/2



Boron

[He] 2s2 2p1          



[He] 2s2 2p1          



2P1/2



Bromine

[Ar] 3d10 4s2 4p5     



[Ar] 4s2 3d10 4p5     



2P3/2



Cadmium

[Kr] 4d10 5s2         



[Kr] 5s2 4d10         



1S0



Calcium

[Ar] 4s2              



[Ar] 4s2              



1S0



Californium

[Rn] 5f10 7s2         



[Rn] 7s2 5f10         



5I8



Carbon

[He] 2s2 2p2          



[He] 2s2 2p2          



3P0



Cerium

[Xe] 4f1 5d1 6s2      



[Xe] 6s2 4f1 5d1      



1G4



Cesium

[Xe] 6s1              



[Xe] 6s1              



2S1/2



Chlorine

[Ne] 3s2 3p5          



[Ne] 3s2 3p5          



2P3/2



Chromium

[Ar] 3d5 4s1          



[Ar] 4s1 3d5          



7S3



Cobalt

[Ar] 3d7 4s2          



[Ar] 4s2