Chemistry
What symbol appears on the periodic table for Thorium which has the atomic number 90?
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What amino acid causes sleepiness following the consumption of a traditional Thanksgiving dinner?
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Acetic acid gets its name from which of the following?
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Lithium on the periodic table is noted by which symbol?
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Which of the following analytical techniques gives an "ion peak"?
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Which Middle Eastern country was widely accused of using chemical weapons in 2013?
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What symbol appears on the periodic table for Calcium which has the atomic number 20?
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