Q. Which particle contains 2 neutrons and 1 proton?
A) $\ _{1}H^{2}$
B) $\ _{2}He^{4}$
C) $\ _{1}T^{3}$
D) $\ _{1}D^{2}$
Explanation
(c)
Tritium contains 2 neutrons and 1 proton.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.