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Question : 17
Total: 27
(a) The modern periodic table has been evolved through the early attempts of Dobereiner, Newland and Mendeleev. List one advantage and one limitation of all three attempts.**
(b) Name the scientist who first of all showed that atomic number of an element is a more fundamental property than its atomic mass.**
(c) State Modern Periodic law.
(b) Name the scientist who first of all showed that atomic number of an element is a more fundamental property than its atomic mass.**
(c) State Modern Periodic law.
Solution:
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