28 sept. 1803 - John Dalton
Description:
Dalton's atomic theory stated that all matter was made up of atoms that were divisible and not able to be destroyed. He also believed that all atoms of the same element were exactly the same while atoms of a different element differed from one another in size and mass.Ajouté au bande de temps:
Date:
28 sept. 1803
Maintenaint
~ Il y a 221 ans