Electronegativity of elements of group 13 decreases from B to Al and then increases marginally because of discrepancies in

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

atomic radii

electrons in valence shell

protons in nuclei

all of these

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

The size of the atom is inversely related to the electronegativity, the electronegativity is found to be decreasing as we move from B to Al and then increases further due to poor shielding effect. This is also known as discrepancies in the atomic size of the element.

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