Question
The isotopes of hydrogen are:
A.
Tritium and protium only
B.
Protium and deuterium only
C.
Protium, deuterium and tritium
D.
Deuterium and tritium only
Answer :
Protium, deuterium and tritium
Solution :
Hydrogen has three isotopes:
Protium $$\,\left( {{}_1{H^1}} \right),$$ deuterium $$\left( {{}_1{H^2}} \right)$$ and tritium $$\left( {{}_1{H^3}} \right).$$