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General Chemistry

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Moderate

Quantum Numbers of Sodium's Valence Electron

CHEM-HRNUMW

A ground state sodium atom has one valence electron.

Which set of quantum numbers describes this electron?

A

$n = 1$
$l = 0$
${m}_{l} = 0$
${m}_{s} = \frac{1}{2}$

B

$n = 2$
$l = 1$
${m}_{l} = 0$
${m}_{s} = -\frac{1}{2}$

C

$n = 2$
$l = 0$
${m}_{l} = 0$
${m}_{s} = -\frac{1}{2}$

D

$n = 3$
$l = 0$
${m}_{l} = 0$
${m}_{s} = \frac{1}{2}$

E

$n = 3$
$l = 1$
${m}_{l} = 0$
${m}_{s} = \frac{1}{2}$