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What is the total spin and magnetic m...

What is the total spin and magnetic moment of an atom with atomic number `7`?

A

`+- 3,sqrt(48) BM`

B

`+- 3,sqrt(35) BM`

C

`+- (3)/(2)sqrt(48) BM`

D

`+- (2)/(3)sqrt(35) BM`

Text Solution

Verified by Experts

The correct Answer is:
A
Atomic number `= 24`
Structure is `3d^(6) ,4s^(1),n = 6`
Total spin `= +- (1)/(2) xx 6 = +- 3`
Magnetic moment `= sqrt(n(n + 2))= sqrt(6(6 + 2)) = sqrt(48) BM`
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