Question

Why is argon bigger in size than chlorine

Answer 1

Argon is bigger than chlorine because argon being inert it's outermost shell is completely filled thus a force of repulsion acts between the outermost electron and the nucleus causing it to grow bigger in size than chlorine.

Answer 2

Argon is bigger than chlorine because argon begin inter it's outermost shell is completely filled thus a force of repulsion acts between the outermost electron and the nucleus causing it to grow bigger in size than chlorine