Q. Which of the following properties show gradual decrease with increase in atomic number across a period in the Periodic Table?

A) Electron affinity
B) Ionisation potential
C) Electronegativity
D) Size of atom
Explanation

(d)
Size of atom decreases with increase in atomic number across the period in Periodic Table.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.