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27 feb 1862 anni - 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.
Aggiunto al nastro di tempo:
16 dic 2017
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Periodic Table Timeline
Data:
27 feb 1862 anni
Adesso
~ 162 years ago