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Chemistry, 22.06.2019 13:30, suemmimonjaras8374
The atomic number, or number, is the described as the number of in the nucleus of an chemical element.
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An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
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30) Deforestation . A) decreases carbon dioxide in the atmosphere B) prevents erosion C) causes popu...
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