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0 ore 28 min, 14 ottob 1805 anni - Atomic Theory: John Dalton

Descrizione:

He believed that all matter is made of
atoms. Each element has a different atom and each atom of a specific element is identical. He also made a model with billard balls.

Aggiunto al nastro di tempo:

Data:

0 ore 28 min, 14 ottob 1805 anni
Adesso
~ 220 years ago