1 ene 1897 año - J.J Thomson discovered atoms
Descripción:
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.Añadido al timeline:
fecha:
1 ene 1897 año
Ahora mismo
~ 128 years ago