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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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Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma
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Which sample at stp has the same number of atoms as 18 liters of ne at stp
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What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-
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