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JEE Main & Advanced Chemistry Structure of Atom / परमाणु संरचना Question Bank Self Evaluation Test - Structure of Atom

  • question_answer
    In ground state of \[C{{u}^{+}}\]. The no. of shells occupied, subshells, filled orbitals and unpaired electrons respectively are:

    A) 4, 8, 15, 0     

    B) 3, 6, 15, 1

    C) 3, 6, 14, 0 

    D) 4, 7, 14, 2

    Correct Answer: C

    Solution :

    [c] The ground state electronic configuration, of \[C{{u}^{+}}\] ion is   \[1{{s}^{2}},\,2{{s}^{2}},\,\,2{{p}^{6}},\,\,3{{s}^{2}},\,\,3{{p}^{6}},\,\,3{{d}^{10}}\]  n = 3 (number of shells) ; Number of subshells occupied = 6, Number of filled orbitals = 14; There is no unpaired electron.


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