1 janv. 1904 - HANTARO NAGAOKA (1865-1950 CE) date of discovery (1904 CE) Atom is a large, massive, positively charged sphere, encircled by many light-weight, negatively charged electrons bound by electrostatic forces analogous to Saturn's rings (Saturn model). His model predicted a massive atomic center (nucleus) with electrons revolving around the nucleus and bound by electrostatic forces. Both predictions were successfully confirmed by Ernest Rutherford in 1911.
Ajouté au bande de temps:
Date:
1 janv. 1904
Maintenaint
~ Il y a 121 ans