Chemistry
What isotope of carbon can be used to figure out how old some objects are or when something died?
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Gold, silver, lead, and copper exhibit the properties of which of the following crystal systems?
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What amino acid causes sleepiness following the consumption of a traditional Thanksgiving dinner?
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How many more times acidic is a solution of pOH 5 than a solution of pH 5?
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Which of the following activities is an example of changing a physical property?
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What orbital is described by the quantum numbers: n=3 and l=2?
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Carbon Dioxide, often given off in a fire, is comprised of what?
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Which of the following is found in stinging insects?
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