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JEE Main & Advanced Chemistry Structure of Atom / परमाणु संरचना Question Bank Discovery and Properties of anode, cathode rays neutron and Nuclear structure

  • question_answer
    The nucleus of helium contains [CPMT 1972; DPMT 1982]                          

    A)                 Four protons

    B)                 Four neutrons

    C)                 Two neutrons and two protons

    D)                 Four protons and two electrons

    Correct Answer: C

    Solution :

                    Nucleus of helium is \[_{2}H{{e}^{4}}\] mean 2 neutrons and 2 protons.


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