a history of chemistry. democritus democritus 460 bce to 370 bce 460 bce to 370 bce was a student of...
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A History of ChemistryA History of Chemistry
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DemocritusDemocritus 460 BCE to 370 BCE460 BCE to 370 BCE was a student of was a student of
LeucippusLeucippus and co- and co-originator of the belief originator of the belief that all that all mattermatter is made is made up of various up of various imperishable, imperishable, indivisible indivisible elementselements
He called He called atomaatoma (sg. (sg. Atomon) Atomon) or "indivisible or "indivisible units" units"
Ancient GreeksAncient Greeks
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Ancient GreeksAncient Greeks
Plato and AristotlePlato and Aristotle Aristotle (384 BCE Aristotle (384 BCE
to 332BCE)to 332BCE) Theory of “Hyle”Theory of “Hyle” Believed there Believed there
were 4 classic were 4 classic elementselements Earth, fire, water, Earth, fire, water,
airair
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AlchemyAlchemy
~ 1600 ACE~ 1600 ACE Mystical Mystical
pseudosciencepseudoscience Searched for Searched for
“philosopher’s “philosopher’s stone”stone”
Some goals were Some goals were transmutation, transmutation, panacea and panacea and universal solventuniversal solvent
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Modern ChemistryModern Chemistry
Lavoisier
Joseph Louis Proust
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Lavoisier’s ApparatusLavoisier’s Apparatus
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John DaltonJohn Dalton
Atomic Theory of Atomic Theory of MatterMatter What is it????What is it????
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JJ ThomsonJJ Thomson