Question:
Hydrogen has three isotopes $(A),(B)$ and $(C)$. If the number of neutron(s) in (A), (B) and (C) respectively, are $(x),(y)$ and $(z)$, the sum of $(x),(y)$ and $(z)$ is:
Correct Option:
Solution:
Click here to get exam-ready with eSaral
For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.