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13 Cards in this Set

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