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13-11-2016
Chemistry

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what did henry mosely do?, What did he discover and how it proved that mendeleev's period was valid?

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evanthegiraffe evanthegiraffe

14-11-2016

Henry Mosely reorganized Mendeleev's periodic table so it would be in order of atomic number (number of protons) instead of in order by atomic mass. (I don't know the answer to the other 2 questions I apologize)

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