1 janv. 1897 - J.J Thomson discovered atoms
Description:
He believed that atoms aren't the smallest particles and that electrons have mass and a negative charge. His evidence was that electrons have a negative charge. He conducted the experiment with a Cathode Ray Tubes with mainly a battery and charged plate.Ajouté au bande de temps:
Date:
1 janv. 1897
Maintenaint
~ Il y a 127 ans
