1 janv. 1805 - John Dalton's Ideas
Description:
Dalton said that all matter is made up of atoms. Everything has atoms. He also concluded that atoms are combined to make up compounds. Dalton proposed the shape but he never specified the size. Dalton's billiard ball model was a very important step for the development of the atomic theory.Ajouté au bande de temps:
Date:
1 janv. 1805
Maintenaint
~ Il y a 219 ans
