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If n and l are respectively the principal and azimuthal quantum numbers, then the expression for calculating the total number of electrons in any orbit is:

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a
l=1l=n2(2l+1)
b
l=1l=n12(2l+1)
c
l=0l=n+12(2l+1)
d
l=0l=n12(2l+1)

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detailed solution

Correct option is D

The formula for determining the total number of electrons in any energy level is, where n and l are primary and azimuthal quantum numbers, respectively.

l=0l=n12(2l+1)

As a result, the s-subshell (l=0) has 2 electrons.

A p-subshell with a l=1 has 6 electrons.

A d-subshell with a l=2 has 10 electrons.

The (l=3) f-subshell has 14 electrons.

The correct option is D

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