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Propose the idea of the atom, an indivisible particle that all matter is made of
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Published the proficiency and advancement of learning which contained the modern day scientific method
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Isolated carbon dioxide which he called "fixed air"
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Discovered hydrogen as a colorless, odorless gas that burns and can form an explosive mixture with air
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Developed groups of 3 elements
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Discovered the noble gases
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Isolated radium and polonium from pitchblende
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Synthesis transepts elements
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