In potassium atom, electronic energy level is in the following or… - Vidyadip

MCQ

In potassium atom, electronic energy level is in the following order

A
$4s > 3d$
B
$4s < 2p$
✓
$4s < 3d$
D
$4s > 4p$

✓

Answer

Correct option: C.

$4s < 3d$

c
The $'4s'$ orbital is having lower energy than $'3d'$ orbital

The $(n+1)$ Value of $'4s'$ orbital is lower than that of $'3d'$ orbital.

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