Question:medium

The correct set of four quantum numbers for outermost electron of potassium ($Z=19$) is

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$s$-orbital $\rightarrow l=0, m=0$. Outermost shell for $K$ is $n=4$.

Updated On: Apr 10, 2026

$4, 0, 0, \frac{1}{2}$
$3, 1, 0, \frac{1}{2}$
$4, 0, 0, \frac{1}{2}$
$3, 0, 0, \frac{1}{2}$

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The Correct Option is C

Solution and Explanation

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The correct set of four quantum numbers for outermost electron of potassium ($Z=19$) is

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The Correct Option is C

Solution and Explanation

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