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KVPY Sample Paper KVPY Stream-SX Model Paper-8

  • question_answer
    The 71st electron of an element X with an atomic number of 71 enters into the orbital:

    A) \[6p\]                            

    B) \[4f\]

    C) \[5d\]                

    D) \[6s\]

    Correct Answer: C

    Solution :

    The electron configuration is \[[Xe]4{{f}^{14}}5{{d}^{1}}6{{s}^{2}}.\]


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