1 janv. 1911 - Ernest Rutherford
Description:
He discovered the Planetary model by using gold foil and alpha-particles. He concluded that a positive charge must exist at the center of the atom and not spread throughout the atom. Concluded that the atom has a nucleus and orbiting electrons.Ajouté au bande de temps:
Date:
1 janv. 1911
Maintenaint
~ Il y a 114 ans