J. J. Thomson (18 dic 1856 anni – 30 agos 1940 anni)
Descrizione:
1856-1940 AD in England-Discovered the electron, the first ever known subatomic particle.
-Found the first evidence that stable elements can exist as isotopes.
-Invented the mass spectrometer.
-Created the incorrect plum pudding model of the atom, with electrons in a pudding of positive atom
Aggiunto al nastro di tempo:
Data:
18 dic 1856 anni
30 agos 1940 anni
~ 83 years