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Why does barium (ba) have a larger atomic radius than magnesium (mg)?
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The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false
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Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?
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At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver
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Why does barium (ba) have a larger atomic radius than magnesium (mg)?...
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