Question

Give Scientific reasons : (Any two)

(11) Atomic radius goes on increasing down a group.​

Answer 1

Explanation:

While going from down to up in the periods the shells get decreases. Does it increase the nuclear charge?

Answer 2

Answer:

The no. of shells of atoms increases as we go down the group.

Hence distance between the outer most shell and the nucleus increase, which in turn increases atomic radii.