Chemistry
What element forms about 78% of Earth's atmosphere by volume?
More Questions from Chemistry
What isotope of carbon can be used to figure out how old some objects are or when something died?
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What metal is used in airplanes for its lightweight properties?
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What is the most commonly encountered form of silver?
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What element is the basis for organic chemistry, as it occurs in all living organisms?
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What is the chemical element with symbol "N" and atomic number 14?
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On which scale is the boiling point of water 80 degrees?
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Which of the following analytical techniques gives an "ion peak"?
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Dr Pepper shares what main ingredient of most antifreezes?
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