Chemistry
What is the second most common metal on Earth, and the most widely-used metal?
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What process changes a rock's chemical composition to break it down?
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What happens to water when it gets close to freezing?
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The Statue of Liberty is made of an iron frame with a sheet of what other metal hung over it?
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A unit of measure of absorbed radiation is known as what?
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Berkelium on the periodic table is noted by which symbol?
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What symbol appears on the periodic table for Sulfur which has the atomic number 16?
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What occurs when molecules are evenly spread out in a space?
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