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1 ene 1869 año - 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.
Añadido al timeline:
25 nov 2017
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Atomic Structure timeline
fecha:
1 ene 1869 año
Ahora mismo
~ 155 years ago
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