Question

Question--->Atomic number of the elements ___ while going top to bottom. Options--->a) increase. b) decrease. c) initially goes on decreasing then starts to increase. d) remains same​

Answer 1

Answer:

Atomic number and atomic radius always increase while going from top to bottom in periodic table .

Option A

Answer 2

Answer:

Correct option is

A- Increase

Explanation

As we move down the group, valence electron fills in next orbit so atomic size increases.