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} $
Show Answer
Answer:
Correct Answer: D
Solution:
No. of electrons $ =2n^{2} $ hence no. of orbital $ =\frac{2n^{2}}{2}=n^{2} $ .
