Timeline of Elements?
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*500 BC- 1720: Alchemists used Ancient Art, during the middle Ages, to discover a substance that would change common metals to gold or silver.
*442 BC: Democritus came up with the theory of atoms, and also he stated that the universe is made up of empty space and that all matter is composed of indivisible atoms.
*384 - 322 BC: Aristotle developed techniques for gathering scientific facts. His progress provided the basis for scientific work more than a millennium.
*1777: Lavoisier, a French chemist, who proved the conversation of matter and explained the mysteries of fire.
*1780s: Coulomb f…
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