Q. The number of electrons in the valence shell of calcium is

A) 2
B) 4
C) 6
D) 8
Explanation

The correct answer is Option A: 2.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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