JEE Main20208 Jan 2020Evening ShiftChemistryd and f Block ElementsActual
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
Options
- A3
- B2
- C4
- D1
Correct answer
A. 3
Step-by-step solution
Hydrogen has three isotopes Isotopes Number of neutrons Protium 1 1 H 0 Deutrium 1 2 H 1 Tritium 1 3 H 2 Hence, the sum of neutrons are 3 .