In Cr - atom the number of 3d - electron...

In Cr - atom the number of 3d - electron having spin quantum number , s = + `1/2` are

A

10

B

14

C

5

D

any number from 1 to 10

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The correct Answer is:

C

Total electrons in 3d-subshell = 10, but electron with `s = +(1)/(2)` is equal to 5.

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