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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yaya122004 yaya122004

14-12-2020

Answer:

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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