Manipal Medical Manipal Medical Solved Paper-2015

  • question_answer
    In ground state of chromium atom (Z = 24) the total number of orbitals populated by one or more electrons is

    A) 15                                              

    B) 16

    C) 20                                              

    D) 14

    Correct Answer: A

    Solution :

    The configuration of \[_{24}Cr\]is \[1{{s}^{2}},2{{s}^{2}},2{{p}^{6}},3{{p}^{6}},3{{d}^{5}},4{{s}^{1}}\] \[\therefore \] total s-orbitals = 4                  total p-orbitals = 6                 total d-orbitals = 4 + 6 + 5 = 15


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