Why a space be left in lower periods on periodic table
Write a short paragraph that describes how electrons fit into these higher levels and that explains why a space must be left in the lower periods on the periodic table.
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A solution of ethanol (C2H5OH) in water is prepared by dissolving 62.0 mL of ethanol (density = 0.79 g/cm3) in enough water to make 235.0 mL of solution. What is the molarity of the ethanol in this solution?
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How many moles of NO2 gas can be produced from 45.5 g of O2 gas in the following reaction? (show your work in the answer box - limit 100 caracters).
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