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Which radioisotope is used in medicine to treat thyroid disorders?

(1) cobalt-60 (3) phosphorus-32
(2) iodine-131 (4) uranium-238

User ForNeVeR
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2 Answers

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2, iodine-131. the iodine is inserted into the bloodstream and the short path of the emitted beta particles makes sure the radiation only affects a small part of the body.
hope this helps!
User Mecampbellsoup
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1 vote
2) the thyroid has an affinity for iodine.
User Jorrebor
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