Passage : The decrease in the force of attraction exerted by the nucleus on the valence electrons due to the presence of electrons in the inner shells, is called Screening effect or Shielding effect.
2). If atomic size increases, then screening effect also

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

Increases

Decreases

Will not change

All

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Option -B is the correct choice: The screening effect controls the size of the atom, as the number of inner electron increases the effective nuclear charge on the valence electrons decreases, thus the size of atom increase.

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Get Expert Academic Guidance – Connect with a Counselor Today!