Question

The incising onder of alumio badito the elements mg.pl, By and k is a All mg 287

the increasing order of atomic radies of the elements mg, Al, Br, and k is ?
​

Answer 1

C

Mg < Na < K < Rb

The increasing order of atomic radius is Mg<Na<K<Rb.

On moving down the group, the atomic radius increases. On moving from right to left in a period, the atomic radius decreases.