Atomic Structure Question 312

Question: For principle quantum number n=4 the total number of orbitals having l=3

[AIIMS 2004]

Options:

A) 3

B) 7

C) 5

D) 9

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Answer:

Correct Answer: B

Solution:

n=4,1s2,,2s2,,2p6,,3s2,,3p6,,3d10,,4s2,,4p6,,4d10,,4f14 So l=(n1)=41=3 which is f orbit contain 7 orbital.



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