1 janv. 1804 - John Dalton
Description:
Rroposed that all matter was composed of atoms, which were indestructible and indivisible ‘building blocks’. Although all atoms of an element were identical, various elements had atoms of various sizes and mass.Ajouté au bande de temps:
Date:
1 janv. 1804
Maintenaint
~ Il y a 221 ans