New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Which of the following isotope of hydrogen is

    radioactive in nature?
    A Protium Correct Answer Incorrect Answer
    B Tritium Correct Answer Incorrect Answer
    C Deuterium Correct Answer Incorrect Answer
    D All of the above Correct Answer Incorrect Answer

    Solution

    Hydrogen is the only element whose isotopes have different names that are in common use today. These are Protium, Deuterium and Tritium. Out of these three isotopes of hydrogen, only tritium is radioactive in nature. Of the hydrogen isotopes, tritium (³H or 1H3) is the only naturally radioactive one. 

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