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History of Chemistry and Atomic Structure.  

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History of Chemistry and Atomic Structure Greeks - First to consider the nature of matter (400 BC) 1) Two camps: a) matter is continuous - keep on dividing matter indefinitely; you just get smaller pieces Aristotle believed that matter was continuous b) matter is finite; it is composed of small indivisible particles Democritus - everything made up of atoms (atoms - Greek for "indivisible") 2) 4 different types of "elements" or "atoms" : Fire, Earth, Water, Air How were these 4 types of "atoms" different - they were especially interested in shape since Greeks were really into geometry: Fire - jagged shaped, since fire hurt Water - spherical, smooth since water flowed easily Earth - cubical - earth was solid and stable 3) The Greeks were not doing science as we know today but an intellectual exercise (philosophy) since no evidence existed one way or the other and they had no experiments to test their...

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