Total no of atomic orbitals in fourth energy level


Asked by admin @ in Chemistry viewed by 298 People


The total number of atomic orbitals in fourth energy level of an atom is :

(a) 8
(b) 16
(c) 32
(d) 4

Answered by admin @



Dear Ravi,

◆ Answer -

(b) 16

● Explanation -

Total number of atomic orbitals in nth energy level of an atom is given by -

N = n²

N = 4²

N = 16 orbitals

Therefore, total number of atomic orbitals in 4th energy level of an atom is 16.

* [Don't confuse this with no of electrons in a shell which is 2n².]

Thanks dear. Hope this was helpful...


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