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

  • question_answer Electron enters the sub-shell for which \[(n+l)\] value is minimum. This is enunciated as                 [RPMT 2000]

    A)                 Hund?s rule

    B)                 Aufbau principle

    C)                 Heisenberg uncertainty principle

    D)                 Pauli?s exclusion principle

    Correct Answer: B

    Solution :

                    According to the Aufbau principle electron filling minimum to higher energy level.

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