Chemistry
What is the name of the temperature at which Helium I becomes Helium II?
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What do scientists use to help organize the elements?
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Phosphorous on the periodic table is noted by which symbol?
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Because they are so reactive with air and water, what group of elements are generally stored in oil?
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High levels of what chemical may be in trailers provided for people displaced by Hurricane Katrina?
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What is the symbol used on the periodic table for the element Scandium?
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Carbon Dioxide, often given off in a fire, is comprised of what?
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What is the approximate heat of vaporization of water at its boiling point?
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