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

  • question_answer
          An \[\alpha \]-particle consists of which of the following?                           [CDS]

    A) 2 protons and 2 neutrons

    B) 1 proton and 1 electron

    C) 2 protons and 4 neutrons

    D) 1 proton and 1 neutron

    Correct Answer: A

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