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1 gen 1869 anni - Dmitri Mendeleev: Periodic Table He organized the initial 63 elements into the periodic table by the atomic mass. The format of the rows and columns are still used today.

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Atomic Structure timeline

ByHillary Yip
25 nov 2017
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Data:

1 gen 1869 anni
Adesso
~ 156 years ago

Immagini:

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