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Used the words "Atoms" to describe particles. First proposed the existence of an ultimate particle.
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developed the phlogiston theory
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proposed combustion theory
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assigned negative mass to phlogiston
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proposed the law of constant composition
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propsed the law og multiple proportions
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Law of combining Volumes
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Avogrado's Hypothesis
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proposed periodic law and made the periodic table
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agreed with Avagadro
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proponent of the continuum