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What is the earliest historical evidence of the study of chemistry?
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Basic Chemistry
Where was early chemistry developed?
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Basic Chemistry
What does the city of Miletus have to do with chemistry?
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Basic Chemistry
Who first proposed the idea of elements?
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Basic Chemistry
What did Empedocles believe were the four basic elements?
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Basic Chemistry
What fifth element did Aristotle add?
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Basic Chemistry
When did the theory of the atom come about?
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Basic Chemistry
What is an element?
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Basic Chemistry
