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JEE Main & Advanced Chemistry Structure of Atom / परमाणु संरचना Question Bank Atomic number, Mass number Atomic species

  • question_answer
     Number of electrons in \[-CON{{H}_{2}}\] is       [AMU 1988]

    A)                 22          

    B)                 24

    C)                 20          

    D)                 28

    Correct Answer: B

    Solution :

                    \[-\,CON{{H}_{2}}=6+8+7+2+1\](from other atom to form covalent bond) = 24.


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