how was modern oeriodic table prepared
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The modern periodic table is developed after the periodic law and a periodic table given by Mendeleev. In the latter part of the 18th century, Mendeleev made his periodic table.
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it was prepared by Henry.J.Mosely
.. it was prepared by bringing few changes to the mandelev's periodic table... only the word atomic mass was changed to atomic number in Mandelev's periodic law as Moseley proved by x-ray analysis that atomic number is more basic property than atomic mass...
thus , the modern periodic table is a slight alteration of Mandelev's periodic table.... the real credit should go to Mandelev....
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