Atomic Structure Question 280

Question: The set of quantum numbers $ n=3,,l=0,,m=0,,s=-1/2 $ belongs to the element

Options:

A) $ Mg $

B) $ Na $

C) $ Ne $

D) $ F $

Show Answer

Answer:

Correct Answer: A

Solution:

$ Mg_{12} $ have $ 1s^{2}2s^{2}2p^{6}3s^{2} $ electronic configuration $ n=3,l=0,m=0,s=-\frac{1}{2} $ .



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