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20 agos 1794 anni - Joesph Louis Proust

Descrizione:

He first published his Law of Definite Proportions. This law states that a compound is composed of exact proportions of elements by mass regardless of how the compound was created.

Aggiunto al nastro di tempo:

Atomic Timeline

ByTrinity Johnson
27 set 2018
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Data:

20 agos 1794 anni
Adesso
~ 231 years ago
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