Q. The radioactive isotope of hydrogen is

A
Protium
B
Deuterium
C
Tritium
D
Heavy water
Solution:
  • The elements which have the same atomic number and different mass number are called isotopes.
  • Isotopes of Hydrogen- Protium, Deuterium, Tritium.
  • The most abundant hydrogen isotope- Protium.
  • The nucleus of tritium (sometimes called a triton) contains one proton and two neutrons, whereas the nucleus of protium contains one proton and no neutrons.
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