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7 Cards in this Set
- Front
- Back
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Lavoisier |
rich Frenchman who founded modern chemistry with accurate measurements; discovered law of conservation of mass |
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Proust |
law of definite proportions states that a given compound always contains exactly the same proportion of elements by mass |
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Dalton |
atomic theory; law of multiple proportions: ratios can always be reduced to small whole numbers |
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Mendeleev |
modern Periodic Table |
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Avagadro |
Avogadro's hypothesis: at the same temperature and pressure, equal volumes of gasses have equal number of particles (6.022 x 10^23) |
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Thomson |
discovered electron by running electricity through cathode ray tubes; plum pudding model |
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Rutherford |
discovered nucleus by shooting alpha particles through gold foil; atoms are mostly empty |
