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What is the mass number of an iron atom that has 28 neutrons?
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Acontrol during an experiment. might change remains constant does not exist does change
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Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury
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If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?
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What is the mass number of an iron atom that has 28 neutrons?...
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