How many set of 4 quantum numbers are possible for last electron of Sc? [Divide your answer by 2]
How many set of 4 quantum numbers are possible for last electron of Sc?
[Divide your answer by 2]
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`Sc_(21)[Ar]_(18)4s^(2)3d^(1)rArr` Fove d prnotals two types of spin quantum number so toal set `=5xx2=10`
`(10)/(2)=5`
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