Atomic Theory Progression chart

Atomic Theory Progression chart - Lauren Simmons Atomic...

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Lauren Simmons Atomic Theory Progression chart 460-370 BC Leucippus & Democritus (student) Matter is composed of small particles named atoms. Plato & Aristotle Matter has no smallest parts composed of various proportions: fire, air, earth, and water. 1789 Antoine Lavoisier Law of conservation of Mass 1797 Joseph Proust Law of definite proportions 1804 John Dalton Law of multiple proportions. Had convincing evidence that supported Leucippus and Democritus Atomic Theory explained each law as: Element is composed of tiny, indestructible particles called atoms. All atoms of elements have same mass that distinguish them from the other atoms of other elements
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  • Fall '10
  • DR.BARROW
  • Chemistry, Atom, atoms, J.J. Thomson Cathode, Atomic Theory Progression

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