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Which of the following d- block elements...

Which of the following d- block elements has half filled penultimate d- sub shell as well as half filled valence s- sub shell ?

A

Pd

B

Au

C

Cr

D

Pt

Text Solution

Verified by Experts

The correct Answer is:
C
`""_(24) Cr- 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 3d^(5) 4s^(1)`
Here, Cr has half- filled penultimate d-subshell as well as half-filled valence s-subshell
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