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The number of d-electron retained in Fe^...

The number of d-electron retained in `Fe^(2) ("At no. of" Fe =26)` ion is.

A

3

B

4

C

5

D

6

Text Solution

Verified by Experts

The correct Answer is:
D
`Is^(2)2s^(2)2p^(6)3p^(6)4s3d^(6)`
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