Question

The shape of an orbital is determined by:

• A. n
• B. l
• C. m
• D. s

Answer 1

Answer: (B)

l

Answer 2

The azimuthal quantum number $(l)$ determines the shape of an orbital.
For, $l=0$ (sperical, $s)$
$l=1$ (dumb-bell, $p$ ) etc.