28 radioactive atoms have a half-life of 15 seconds.How many radioactive atoms will be left after 60 seconds?

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Kinetics of Radioactive ... the activity into numbers of atoms that decay per second. (1.00 g Co-60) ... will remain after 10 minutes if the half-life of the ... - Read more

After 28 days, only 5.0 grams of it ... Sodium-24 has a half-life of 15 ... Polonium-214 has a relatively short half-life of 164 seconds. How many seconds would it ... - Read more

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28 radioactive atoms have a half-life of 15 seconds.How many radioactive atoms will be left after 60 seconds? resources

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