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A British physical chemist who discovered the four following gases; neon, argon, krypton, and xenon
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Published a periodic table.
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In 1774 he conducted an experiment to generate oxygen from heating reddish mercury oxide and found the new air was many times as good as common air.
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He stated a theory; All matter is made up of differing proportions, of four elemental substances.
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The major gas developer who discovered that the volume of a gas decreases with increasing pressure and vice versa
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Created the Periodic Law and a farsighted version of the Periodic Table of Elements.
