(D) The number of orbitals in a shell with principal quantum number $n$ is given by the formula $n^2$.For the fourth principal quantum number,$n = 4$.

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(D) The number of orbitals in a shell with principal quantum number $n$ is given by the formula $n^2$.For the fourth principal quantum number,$n = 4$.Therefore,the number of orbitals $= n^2 = 4^2 = 16$.

Class 11 Chemistry Structure of Atom Quantum number, Electronic configuration and Shape of orbitals

Medium

The number of orbitals in the fourth principal quantum number $(n = 4)$ is:

A
$4$
B
$8$
C
$12$
D
$16$

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Structure of Atom

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Quantum number, Electronic configuration and Shape of orbitals

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The number of orbitals in the fourth principal quantum number $(n = 4)$ is:

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