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12 Cards in this Set
- Front
- Back
Dalton |
Hypothesis for existence of atoms and had the Atomic Theory |
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Thomson |
Discovered the electron |
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Rutherford |
Discovered the positively charged core of the atom |
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Chadwick |
Discovered neutrons |
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Proust |
Discovered the law of definite proportions |
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Democritus |
Suggested the world was made of empty space and atoms |
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Millikan |
Measured an electron's charge accurately |
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Einstein |
Explained the origin of energy released during nuclear changes (e=mc^2) |
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Moseley |
Discovered protons equal atomic mass |
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Bohr |
Said energy is only transferred in certain well defined quantities |
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Planck |
Discovered quantum theory and quanta |
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Avogadro |
Avogadro's number, said equal volumes of the same gases at the same temperature and pressure contain equal numbers of molecules |