1 janv. 1803 - John Dalton
Description:
John Dalton experimented with gases which lead to a theoryMatter is made up of atoms that are indivisible and indestructible.
All atoms of an element are identical.
Atoms of different elements have different weights and different chemical properties.
Atoms of different elements combine in simple whole numbers to form compounds.
Atoms cannot be created or destroyed. When a compound decomposes, the atoms are recovered unchanged.
Ajouté au bande de temps:
Date:
1 janv. 1803
Maintenaint
~ Il y a 221 ans
