Atomic Structure Question 225

Question: The total number of orbitals in an energy level designated by principal quantum number $ n $ is equal to

[AIIMS 1997; J&K CET 2005]

Options:

A) $ 2n $

B) $ 2n^{2} $

C) $ n $

D) $ n^{2} $

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Answer:

Correct Answer: D

Solution:

No. of electrons $ =2n^{2} $ hence no. of orbital $ =\frac{2n^{2}}{2}=n^{2} $ .



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