Chemistry

What was the fifth unearthly element from the days of Aristotle?

More Questions from Chemistry
Phosphorous on the periodic table is noted by which symbol?
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Which of the following is a metal?
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What symbol appears on the periodic table for the element with the atomic number 6?
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What compound found in tap water is good for the teeth?
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Which three gas laws constitute the combined gas law (PV/T=pv/t)?
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Which of the following structures best characterizes glass?
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What is the smallest part of matter called?
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Which element has the lightest atomic weight?
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