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Matches the chemical name of each oxide of phosphorus to its chemical formula
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Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.
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Express the following number in scientific notation. 0.026890 =
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Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change
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Is anything that has mass and takes up space...
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