Question

Why does the Vander waal's radius decrease as we go left to right in a period.
I want valid reasons.

Answer 1

heya !!

Vander waal's radius decrease as we go left to right in a period because of the following reasons:

>atomic radius decreases across a period.
>nuclear charge increases across a period.
>ionisation potential increases across a period.
>electron affinity increases across a period.
>electronegativity increases across a period.
>metallic character decreases across a period.
>non metallic character increases across a period.

◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆

I HOPE IT HELPS U !!☺