Chemistry
What is the second most common metal on Earth, and the most widely-used metal?
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What group of elements include lithium, sodium, potassium, rubidium, cesium, and francium?
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Which of those would you use to perform a metathesis reaction?
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Phosphorus is the 13th element to be discovered, where did it come from?
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Which element gained notoriety from poisoning the waters around Japan?
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What is the oxidation number on the chromium in a dichromate ion "(Cr2O7)^2-"?
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What are the main two elements that undergo fusion to power the sun?
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Which of the following is used as a rating scale to grade gasoline?
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