Q. The mass number of a nucleus is equal to the number of
A) Electrons it contains
B) Protons it contains
C) Neutrons it contains
D) Nucleons it contains
Explanation
The correct answer is Option D: Nucleons it contains.
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.