Q. Which of the following pairs show reverse properties on moving along a period from left to right and from top to down in a group?
A) Nuclear charge and electron affinity
B) Ionisation energy and electron affinity
C) Atomic radius and electron affinity
D) None of the above
Explanation
The correct answer is Option C: Atomic radius and electron affinity.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.