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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 the outermost orbit of the element of atomic number 15 is         [CPMT 1988, 93]

    A)                 1             

    B)                 3

    C)                 5             

    D)                 7

    Correct Answer: C

    Solution :

                    \[{{P}_{15}}=2,\,8,\,5\]


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