3 h 30 min, 1 janv. 1803 ans - Dalton
Description:
All matter is made of atoms.Atoms are indivisible and indestructible.Compounds are formed by a combination of two or more different kinds of atoms.
Ajouté au bande de temps:
Date:
3 h 30 min, 1 janv. 1803 ans
Maintenaint
~ Il y a 221 ans