A History of Chemistry

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A History of Chemistry
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Ancient Greeks

• Democritus
• 460 BCE to 370 BCE
• was a student of Leucippus and co-originator of
  the belief that all matter is made up of various
  imperishable, indivisible elements
• He called atoma (sg. Atomon) or "indivisible
  units"

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Ancient Greeks

• Plato and Aristotle
• Aristotle (384 BCE to 332BCE)
• Theory of Hyle
• Believed there were 4 classic elements
• Earth, fire, water, air

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Alchemy

• 1600 ACE
• Mystical pseudoscience
• Searched for philosophers stone
• Some goals were transmutation, panacea and
  universal solvent

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Modern Chemistry
Joseph Louis Proust
Lavoisier
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Lavoisiers Apparatus
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John Dalton

• Atomic Theory of Matter
• What is it????

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JJ Thomson