1 gen 1897 anni - J.J Thomson discovered atoms
Descrizione:
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.Aggiunto al nastro di tempo:
Data:
1 gen 1897 anni
Adesso
~ 127 years ago
