Radioactive Half-Life
11. Nuclear Chemistry / Radioactive Half-Life / Problem 1
Technetium-99m, used in medical imaging procedures, has a half-life of 6.0 hours. If an 84 mg sample of Tc-99m is transported at 7:00 a.m., determine the amount of Tc-99m (in milligrams) that remains active when it arrives at its destination at 7:00 p.m.
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