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

11th Class Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति

  • question_answer 13)
    What is the basic difference in approach between Mendeleev's periodic law and the modem periodic law?

    Answer:

    Mendeleev's periodic law states that the properties of the elements are a periodic function of their atomic weights while modem periodic law states that properties of the elements are a periodic function of their atomic numbers, i.e. the change is from atomic weight to atomic number.


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