Question

The ground state electronic confrigation of chromium atom is​

Answer 1

Answer:

Chromium atoms have 24 electrons and the shell structure is 2.8. ... The ground state electron configuration of ground state gaseous neutral chromium is [Ar]. 3d5. 4s1 and the term symbol is 7S3.

Answer 2

Answer:

Correct option is

D

[Ar]3d

5

4s

1

Cr(24):

Ar

1s

2

2s

2

2p

6

3s

2

3p

6

3d

5

4s

1

The above configuartion is exception to Aufbau's principle because full filled and half filled orbitals are more stable.