0 h 28 min, 14 oct. 1805 ans - Atomic Theory: John Dalton
Description:
He believed that all matter is made of
atoms. Each element has a different atom and each atom of a specific element is identical. He also made a model with billard balls.
Ajouté au bande de temps:
Date:
0 h 28 min, 14 oct. 1805 ans
Maintenaint
~ Il y a 220 ans