Question

Atomic size increases in a group and decreases in a period why give reason

Answer 1

Answer:

I don't know the answer sorry

Answer 2

Answer:

Reason:Along a period number of shells remain the same but nuclear charge increases. Hence attractive force of the nucleus on the valence electrons increases. Thus atomic size decreases along a period. As we move down a group, atomic size increases.

Explanation:

*I hope this will help u.

*Mark it as Brainlist.