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UPSC Chemistry Nuclear Chemistry / नाभिकीय रसायन Question Bank Atoms, Molecules and Nuclear Chemistry

  • question_answer
          An atom of carbon has 6 protons. Its mass number is 12. How many neutrons are present in an atom of carbon?                        [NDA]

    A) 12                   

    B)                  6

    C) 10                   

    D)                  14

    Correct Answer: B

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