NEET Chemistry Structure of Atom / परमाणु संरचना NEET PYQ-Structure of Atom

  • question_answer
    The correct set of four quantum numbers for the valence electron of rubidium atom \[(Z=37)\]is            [AIPMT (S) 2012]

    A)  \[5,1,1,+\frac{1}{2}\]  

    B)       \[6,0,0,+\frac{1}{2}\]  

    C)  \[5,0,0,+\frac{1}{2}\]

    D)       \[5,1,0,+\frac{1}{2}\]

    Correct Answer: C

    Solution :

               
    \[_{37}Rb{{=}_{36}}[Kr]\,5{{s}^{1}}\]its valence electron is \[5{{s}^{1}}\].
    So,       \[n=5\]
                            \[l=0\] (For s orbital)
                \[m=0\] (As \[m=-\text{ }l\]to \[+l\])
    \[s=+\frac{1}{2}\]


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