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WB JEE Medical WB JEE Medical Solved Paper-2006

  • question_answer
    What is the name of element with atomic number 105?

    A)  Kurchatovium  

    B)  Dubnium

    C)  Nobelium                          

    D)  Holmium

    Correct Answer: B

    Solution :

                     The element with atomic no. 105 is Dubnium. In IUPAC nomenclature, it is known as Un-nil-pentin.


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