Chemistry
What is the second most common metal on Earth, and the most widely-used metal?
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What is the most common chemical element found in the Earth's atmosphere?
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What group of elements include lithium, sodium, potassium, rubidium, cesium, and francium?
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The dumping of most toxic chemicals into the ocean was banned by what treaty?
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Which mineral is highly valued as an industrial flux?
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What is a method to indicate reactants and products of a chemical reaction using chemical formulas?
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Which will have the smallest increase in temperature for the same amount of heat?
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