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An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
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What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm
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In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
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You create solutions of H2SO4 and NaOH with concentrations of 1.25M and 0.84M ,respectively. If you...
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