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7 gen 1862 anni - Beguyer de Chancourtois

Descrizione:

Primera tabla periodica publicada. Fue el primero en observar que las propiedades se repetían cada siete elementos.

Aggiunto al nastro di tempo:

Tabla periodica

ByYULIETH URIAN
21 ago 2021
0
0
248

Data:

7 gen 1862 anni
Adesso
~ 163 years ago

Immagini:

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