Radioactive iodine is used to investigate tumours of the thyroid gland. Iodine-131 has a half life of 8 days. It is used
Posted: Thu Jul 07, 2022 2:04 pm
Radioactive iodine is used to investigate tumours of the thyroidgland. Iodine-131 has a half life of 8 days. It is used as a tracerin the human body to investigate if the thyroid gland is workingproperly. After it is administered to a patient, it is monitored bya doctor for several days. Another isotope iodine-128 has ahalf-life of 25 minutes.a. Explain why iodine-128 is unsuitable to be used here.b. Calculate the decay constant in s−1 and the activity of 1mgsample of iodine-131.