1 mai 1794 - Joseph Proust
Description:
- Published the law of definite proportion which states that a compound is composed of exact proportions of elements by mass regardless of how the compound was created.- He believed that matter could be put together in certain patterns to make bigger, different, unique matter.
Ajouté au bande de temps:
Date:
1 mai 1794
Maintenaint
~ Il y a 231 ans