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

  • question_answer
    The atomic weight of an element is double its atomic number. If there are four electrons in \[2p\] orbital, the element is                                                [AMU 1983]

    A)                 \[C\]     

    B)                 \[N\]

    C)                 \[O\]    

    D)                 \[Ca\]

    Correct Answer: C

    Solution :

                    \[_{8}O=1{{s}^{2}}2{{s}^{2}}2{{p}^{4}}\]


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