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J & K CET Engineering J and K - CET Engineering Solved Paper-2013

  • question_answer
    What is the total number of electrons that can  have the values \[n=2,l=1,s=1/2\]in the electronic configuration\[1{{s}^{2}}2{{s}^{2}}2{{p}^{3}}\]

    A)  1       

    B)  3       

    C)  5       

    D)  7

    Correct Answer: A

    Solution :

     According to Fault's exclusion principle "No two electrons in an atoms can have the same set of four quantum numbers.


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