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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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11 magg 1754 anni - Joseph Proust discovered 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 Theory
By
Emma Larsen
28 set 2018
0
0
493
Data:
11 magg 1754 anni
Adesso
~ 271 years ago
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