People who discovered atomic theory
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9 terms
Terms | Definitions |
|---|---|
 Democritus | all matter is a single material made up of small hard particles |
| Dalton | atoms of the same element are the same, atoms of different elements are alike |
| Thomson | discovered electrons and explained theory as plum pudding model |
| Rutherford | small dense center called a nucleus surrounded by empty space and electrons are scattered around that |
| Rutherford Experiment | Gold foil experiment |
| Thomson Experiment | cathode ray tube |
| Chadwick | the neutral particle of the atom called the neutron |
| Bohr | electrons were not scattered around the nucleus but traveled in specific paths |
| Shrondinger/Heisenberg | has a small dense nucleus made up of protons and electrons surrounded by empty space which the electrons are in regions called electron clouds |
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