MDCAT Chemistry MCQ #813

Which isotope of hydrogen is NOT stable and undergoes radioactive decay?

MDCAT Chemistry MCQ #813

  1. Question 1

    Q1. Which isotope of hydrogen is NOT stable and undergoes radioactive decay?

    • A) Deuterium
    • B) Tritium
    • C) Protium
    • D) Hydrogen-2

    Answer: Tritium

    Explanation: Tritium decays via beta decay. D and C are stable. Protium is naturally abundant.