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Frozen water is less dense than liquid water, allowing lake organisms to survive winter.
1) True
2) False
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Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h
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How many valence electrons are in atom of radon?
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Frozen water is less dense than liquid water, allowing lake organisms to survive winter.
1) True
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