nishairfan168 nishairfan168

14-12-2020
Chemistry

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why elements are arranged according to atomic number rather than atomic mass in the periodic table

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anauayan anauayan

14-12-2020

Assuming there were errors in atomic masses, Mendeleev placed certain elements not in order of increasing atomic mass so that they could fit into the proper groups (similar elements have similar properties) of his periodic table.

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