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MGIMS WARDHA MGIMS WARDHA Solved Paper-2009

  • question_answer
    Lanthanum the first element of lanthanide series has

    A)  only unfilled 3d orbitals

    B)  unfilled 3d and 4d orbitals

    C)  unfilled 4d and\[4f\]orbitals

    D)  unfilled\[4f\]and Sd orbitals

    Correct Answer: D

    Solution :

                     Lanthanum has unfilled 4f and 5d orbitals.


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