Chemistry
What was the fifth unearthly element from the days of Aristotle?
More Questions from Chemistry
What noble gas has the lowest melting and boiling points of all the elements?
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What are proteins that help speed up chemical reactions called?
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What element was known in ancient times and referred to in Genesis as "brimstone"?
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The Air-Quality Index measures exposure in the air at ground-level to which chemical?
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What is the diffusion of water through a cell membrane called?
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