Chemistry
What radioactive metallic element, found in all uranium ores, has an atomic number of 89?
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What are vast amounts of oil that have become trapped in one place called?
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What symbol appears on the periodic table for Unnilquadium which has the atomic number 104?
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What process causes molecules to move into areas that have fewer molecules?
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Under standard conditions, what periodic table group exists in all three main phases of matter?
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