NTA Abhyas 2020
- Exam
- NTA Abhyas
- Year
- 2020
- Subject
- Chemistry
- Chapter
- s Block Elements
NTA Abhyas 2020 · Chemistry · s Block Elements
Hydrogen has three isotopes (A), (B) and (C) . If the number of...
Hydrogen has three isotopes and \left(C\right) . If the number of neutron(s) in \left(A\right), \left(B\right) and \left(C\right) respectively, are (x), (y) and (z), the sum of (x), (y) and (z) is
Correct answer
3