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Which has maximum number of unpaired e^(...

Which has maximum number of unpaired `e^(-)` ?

A

Na

B

Mn

C

Cr

D

`Fe^(+2)`

Text Solution

Verified by Experts

The correct Answer is:
C
`Cr=4S^(1)3d^(5)`
no.of U.P.`e^(-)=6`
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