J & K CET Engineering J and K - CET Engineering Solved Paper-2014

  • question_answer
    What elements are present in\[f-\]block series?

    A)  Lanthanoids

    B)  Actinoids

    C)  Lanthanoids and actinoids

    D)  Lipids

    Correct Answer: C

    Solution :

     \[f-\]black series is divided into two series \[ViZ\]\[4f-\]series and \[5f-\]series. The members of 4f series are called lanthanides or lanthanons whereas that of\[5f-\]series are called actinides or actinons.


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