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An atom is when its outer energy level is filled with electrons
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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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How might this scientific phenomena be explained? a paper clip floats on water.
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If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted
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An atom is when its outer energy level is filled with electrons...
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