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The values of four quantum number of val...

The values of four quantum number of valence electron of an element are `n = 4, l = 0, m = 0 and s=+(1)/(2)` . The element is:

A

K

B

Ti

C

Na

D

Sc

Text Solution

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The correct Answer is:
A
Valence electron is `4s^(1)`, so it is K.
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