1 gen 1897 anni - J. J. THOMSON
Descrizione:
- Discovered the electron.- Proposed the existence of a (+) charged particle.
- Proposed that Atoms were made mostly out of (+) charged particles.
- Proposed that (-) charged electrons were found inside the atom (Raisin Bun Model)
Aggiunto al nastro di tempo:
Data:
1 gen 1897 anni
Adesso
~ 128 years ago