Radioactive radon-222 decays with a loss of one alpha particle. The half-life is 3.82 days. What percentage of the radon in a sealed vial would remain after 7.0 days?
Radioactive radon-222 decays with a loss of one alpha particle. The half-life is 3.82 days. What percentage of the radon in a sealed vial would remain after 7.0 days?
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