Question

Isotopes of elements A and B are used in the treatment of cancer and goitre respectivey. Identify A and B.

• A. A= uranium; B= iodine
• B. A= cobalt; B= iodine
• C. A= iodine; B= cobalt
• D. A= iodine, B= chlorine

Answer 1

The correct option is B A= cobalt; B= iodine

Some isotopes have special properties which find them useful in various fields. Some of them are:
(i) An isotope of cobalt is used in the treatment of cancer.
(ii) An isotope of iodine is used in the treatment of goitre.