JCECE Medical JCECE Medical Solved Paper-2011

  • question_answer
    How many electrons in 19 K have\[n=3;l=0\]?

    A)  1      

    B)  2    

    C)  4     

    D)  3

    Correct Answer: B

    Solution :

     \[n=3\]and \[l=0\] means \[3s-\]orbitals and \[s-\]orbital occupy 2 electrons.


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