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27 févr. 1862 - A.E.Beguyer de Chancourtois published the first periodic table. He pull of the elements on a cylinder increasing the atomic weight. Then he put closely related elements vertically.

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Periodic Table Timeline

ByJessica Maeda
16 déc. 2017
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Date:

27 févr. 1862
Maintenaint
~ Il y a 163 ans
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