Q. Isotopes are atoms having
A) Same number of protons but different number of neutrons
B) Same number of neutrons but different number of protons
C) Same number of protons and neutrons
D) None of the above
Explanation
(a) For isotopes $Z$ is same and $A$ is different. Therefore the number of neutrons $A - Z$ will also be different
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.