NCERT Class XI Chemistry Classification of Elements and Periodicity in Properties Solutions
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Question : 3
Total: 40
What is the basic difference in approach between the Mendeleev’s Periodic Law and the Modern Periodic Law?
Solution:
According to Mendeleev’s periodic law, the physical and chemical properties of the elements are periodic functions of their atomic masses, but according to modern periodic law, the physical and chemical properties of the elements are periodic functions of their atomic numbers.
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