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13 Cards in this Set
- Front
- Back
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distillation
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liquid is evaporated and then condensed again to a liquid
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chromatography
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graphing of colors
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crystallization
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solute particles collide and attach
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Democritus
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idea of atoms; no experiements
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Rutherford
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alpha scattering; "GOLD FOIL"
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Lavoisier
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Father of modern chemistry, law of conservation of matter
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Dalton
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modern atomic theory
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Proust
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law of constant composition
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Becquerel
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worked with the Curies on radioacitivity
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cathode ray
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a stream of electrons produced at the negative end of a tube containing gas at low pressure
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isotope
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atoms of the same element that have the same atomic number but different atomic masses
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ion
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an atom or group of atoms that has a positive or negative charge
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empirical formula
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lowest whole number ratio of elements in a compound
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