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The +3 ion of which one of the following...

The +3 ion of which one of the following has half filled 4f subshell ?

A

La

B

Nd

C

Gd

D

Ac

Text Solution

Verified by Experts

The correct Answer is:
C
`Gd = [xe] 4f^(7) 5d^(1) 6s^(2)`
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