Home › MCQs › EEJ MAIN Chemistry › Question #7201
Back to Questions
EEJ MAIN Chemistry QUESTION #7201
Question 1
Select the correct list of all naturally occurring isotopes of hydrogen.
  • Tritium and Protium only
  • Protium and Deuterium only
  • Protium, Deuterium, and Tritium✔️
  • Deuterium and Tritium only
Correct Answer Explanation
  • Hydrogen has three main isotopes:
  • Protium ($^1H$): The most common, with no neutrons.
  • Deuterium ($^2H$): Also known as heavy hydrogen, with one neutron.
  • Tritium ($^3H$): A radioactive isotope with two neutrons.