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atomic thory
Term | Definition |
---|---|
Democritus Greek philosopher | named atoms indivisible |
Thomson | He discovered electrons His model plum-pudding |
Rutherford | Discovered the nucleus Gold-foil experiment atom is mostly empty space |
Bohr | electrons travel in orbits around the nucleus bookshelf model |
Electron cloud model | current model of atomic structures electrons are not in orbits but found frequently in certain areas |