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5 Cards in this Set
- Front
- Back
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Democritus |
suggested the atom and that they were indivisible and indestructable |
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Dalton |
turned Democritus' theory into a scientific theory |
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J.J. Thomson |
discovered the electron |
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Eugen Goldstein |
Discovered the proton. observed cathode ray tube and found rays traveling in the direction opposite to that of the cathode rays |
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James Chadwick |
Discovered the neutron |
