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

  • question_answer The magnetic quantum number for an electron when the value of principal quantum number is 2 can have [CPMT 1984]

    A)                 3 values               

    B)                 2 values

    C)                 9 values               

    D)                 6 values

    Correct Answer: A

    Solution :

                    When the value of \[n=2\], then \[l=1\] and the value of \[m=-1,\,0,\,+1\] i.e. 3 values.

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