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

  • question_answer The electronic configuration of gadolinium (atomic no. 64) is                       [CBSE PMT 1997]

    A)                 \[[Xe]4{{s}^{8}}5{{d}^{9}}6{{s}^{2}}\]    

    B)                 \[[Xe]4{{s}^{7}}5{{d}^{1}}6{{s}^{2}}\]

    C)                 \[[Xe]4{{s}^{3}}5{{d}^{5}}6{{s}^{2}}\]    

    D)                 \[[Xe]4{{f}^{6}}5{{d}^{2}}6{{s}^{2}}\]

    Correct Answer: B

    Solution :

    Not Available


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