26 févr. 1789 - First Extensive Element List (Moseley)
Description:
Made the first extensive element list, of 33, separating metals from nonmetals. Discovered Oxygen and Hydrogen.Divided them into four different groups. With the few elements that were known at the time.
Ajouté au bande de temps:
Date:
26 févr. 1789
Maintenaint
~ Il y a 236 ans