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  5. Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति

JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Extended or long form of periodic table

  • question_answer
    Who developed the long form of periodic table [MP PET 1997]

    A) Lothar Meyer

    B) Niels Bohr

    C) Mendeleef

    D) Moseley

    Correct Answer: B

    Solution :

    Neils Bohr developed the long form of periodic table on the basis of Mosley?s principle.


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