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A History of Chemistry A History of Chemistry

A History of Chemistry. Democritus Democritus 460 BCE to 370 BCE 460 BCE to 370 BCE was a student of Leucippus and co- originator of the belief that all

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Page 1: A History of Chemistry. Democritus Democritus 460 BCE to 370 BCE 460 BCE to 370 BCE was a student of Leucippus and co- originator of the belief that all

A History of ChemistryA History of Chemistry

Page 2: A History of Chemistry. Democritus Democritus 460 BCE to 370 BCE 460 BCE to 370 BCE was a student of Leucippus and co- originator of the belief that all

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

http://en.wikipedia.org/wiki/Leucippus
http://en.wikipedia.org/wiki/Matter
http://en.wikipedia.org/wiki/Classical_element#Classical_elements_in_Greece
Page 3: A History of Chemistry. Democritus Democritus 460 BCE to 370 BCE 460 BCE to 370 BCE was a student of Leucippus and co- originator of the belief that all

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

http://en.wikipedia.org/wiki/Image:Sanzio_01_Plato_Aristotle.jpg
Page 4: A History of Chemistry. Democritus Democritus 460 BCE to 370 BCE 460 BCE to 370 BCE was a student of Leucippus and co- originator of the belief that all

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

http://upload.wikimedia.org/wikipedia/commons/3/3a/William_Fettes_Douglas_-_The_Alchemist.jpg
Page 5: A History of Chemistry. Democritus Democritus 460 BCE to 370 BCE 460 BCE to 370 BCE was a student of Leucippus and co- originator of the belief that all

Modern ChemistryModern Chemistry

Lavoisier

Joseph Louis Proust

Page 6: A History of Chemistry. Democritus Democritus 460 BCE to 370 BCE 460 BCE to 370 BCE was a student of Leucippus and co- originator of the belief that all

Lavoisier’s ApparatusLavoisier’s Apparatus

Page 7: A History of Chemistry. Democritus Democritus 460 BCE to 370 BCE 460 BCE to 370 BCE was a student of Leucippus and co- originator of the belief that all

John DaltonJohn Dalton

Atomic Theory of Atomic Theory of MatterMatter What is it????What is it????

Page 8: A History of Chemistry. Democritus Democritus 460 BCE to 370 BCE 460 BCE to 370 BCE was a student of Leucippus and co- originator of the belief that all

JJ ThomsonJJ Thomson


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