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

  • question_answer
    In a potassium atom, electronic energy levels are in the following order                [EAMCET 1979; DPMT 1991]

    A)                 \[4s>3d\]            

    B)                 \[4s>4p\]

    C)                 \[4s<3d\]            

    D)                 \[4s<3p\]

    Correct Answer: C

    Solution :

                    According to Aufbau?s principle.

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