Atomic Structure Question 281

Question: An electron has principal quantum number 3. The number of its (i) sub-shells and (ii) orbitals would be respectively

Options:

A) 3 and 5

B) 3 and 7

C) 3 and 9

D) 2 and 5

Show Answer

Answer:

Correct Answer: C

Solution:

The principle quantum number n=3 . Then azimuthal quantum number l=3 and number of orbitals =n2=32=9 . 3 and 9



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