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How many maximum electrons can be described by the quantum numbers $n = 5, l = 2$ in a particular atom?

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detailed solution

Correct option is C

The maximum electrons can be described by the quantum numbers $n = 5, l = 2$ in a particular atom is 10 .

Here,

$n = 5$

$l = 2$

$m = (2 \times 2) + 1$

$(2 l + 1) = 5$

maximum $e^{-} = 5 \times 2 = 10 e^{-}$

$l = 2$ means d-subshell which can accommodate maximum 10 electrons.

Hence, the option C is correct.

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How many maximum electrons can be described by the quantum numbers n=5,l=2 in a particular atom?