33
/fr/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
1764768
142194
2

20 juill. 1772 - Lavoiser found that mass is conserved in a chemical reaction, but the amount of hydrogen and oxygen atoms before and after the reaction is the same.

Ajouté au bande de temps:

28 sept. 2018
0
0
493

Date:

20 juill. 1772
Maintenaint
~ Il y a 253 ans