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

  • question_answer The total number of orbitals in an energy level designated by principal quantum number \[n\] is equal to             [AIIMS 1997; J&K CET 2005]

    A)                 \[2n\]   

    B)                 \[2{{n}^{2}}\]

    C)                 \[n\]     

    D)                 \[{{n}^{2}}\]

    Correct Answer: D

    Solution :

                    No. of electrons\[=2{{n}^{2}}\]hence no. of orbital \[=\frac{2{{n}^{2}}}{2}={{n}^{2}}\].

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