First slide

Quantum Numbers

Question

Which one represents an impossible arrangement of quantum numbers ?

Easy

A

$2, 1, \pm 1, \pm 1 / 2$
B

$3, 2, \pm 1, \pm 1 / 2$
C

$4, 2, + 3, + 1 / 2$
D

$4, 2, 0, \pm 1 / 2$

Solution

If $l = 2$ then
$m = \pm 2, \pm 1, 0$ but never greater than 2 ;

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