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13-11-2017
Physics

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How are chemical changes of matter related to the organization of the periodic table

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banskotashusilozn5h7 banskotashusilozn5h7

20-11-2017

As elements in period are arranged according to increasing atomic weight with isotope as protium deuterium and trotium of h2 so chemical property are same but physical property different in period ic table

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