Question

Arrange in increasing order of atomic radius b,al,ga,in,tl

Answer 1

Your answer goes like this........

===================================================

The number shells increases as we go down,So atomic size also increases.

Hence,B<Al<Ga<In<Tl.

===========================================

Thank you!

Answer 2

B<ga<al<in<th.

Size of aluminium is greater than gallium