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Is it possible to distinguish between an element and a compound
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Different isotopes indicate that an element will have different numbers of
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There is an area in idaho named craters of the moon where most of the ground is covered with basalt, adark gray, igneous rock with no visibl crystals. what can you infer about the geographical history of the area?
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If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?
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What is the percentage of hydrogen in nitrogen trihydride
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