JEE Main & Advanced Chemistry Structure of Atom Question Bank Quantum number, Electronic configuration and Shape of orbitals

  • question_answer
    The magnetic quantum number for valency electrons of sodium is           [CPMT 1988; MH CET 1999]

    A)                 3             

    B)                 2

    C)                 1             

    D)                 0

    Correct Answer: D

    Solution :

                    \[3{{s}^{1}}\] is valency electrons of \[Na\] for this \[n=3,\,l=0,\,m=0,\,s=\frac{+1}{2}\]

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