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An element, X, has 2 electron shells and 5 of the electrons are valence electrons. The atomic number of element X would be:
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Complete the following reactions using word and balanced equations including states. dilute phosphoric acid is added with a calcium hydroxide solution.
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Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.
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How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag
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Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules
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An element, X, has 2 electron shells and 5 of the electrons are valence electrons. The atomic number...
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