click below
click below
Normal Size Small Size show me how
WGU VIPs
WGU (tg) Chemistry Contributors
Question | Answer |
---|---|
Greeks | First suggested the atom Elements comprised of Earth, Air, Fire, Water. |
Dalton | Atomic Theory (mostly right) except for elements are identical (they are not). |
Rutherford | Gold Foil Experiment Atom has positive center(nucleus)with electrons moving around the nucleus. Planetary Model of the Atom |
Thompson | Plum pudding model Cathode Ray Experiment Determined charge to mass ratio of electon. All elements have electrons. |
Millikan | Oil Drop experiment calculated mass of electron |
Bohr | Planetary Model of the Atom Electrons move in circular orbits |
de Broglie | Electron has wave properties |
Lavoisier | Law of Conservation of Mass |