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Asingle atom of an element has 11 protons, 11 electrons, and 12 neutrons. which element is it? v na mg se
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Air can be considered a mixture. which statement does not explain why?
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What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures
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How many distinct monochlorinated products, including stereoisomers, can result when the alkane below is heated in the presence of cl2? 3 4 5 6 7?
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Asingle atom of an element has 11 protons, 11 electrons, and 12 neutrons. which element is it? v na...
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