3. lodine-131 is used to destroy thyroid tissue in the treatment of an overactive thyroid. the
half-life of lodine-131 is 8 days. if a hospital receives a shipment of 200g of iodine-131, how
much 1 - 131 would remain after 32 days?
radioisotope:
half life
starting mass =
final amount =
starting time =
end time =