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
    In the modern periodic table, elements are arranged in  [MP PMT 1990; MP PET 1995; CPMT 1971, 73, 78, 80]

    A) Increasing mass

    B) Increasing volume

    C) Increasing atomic number

    D) Alphabetically

    Correct Answer: C

    Solution :

      Increasing atomic number. Mosley found that atomic no. was better fundamental property than atomic weight.


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