The commonly used radioactive isotopes radium-226,radon-222,and cobalt-60 are used in _____.

Name: The commonly used radioactive isotopes radium-226,radon-222,and cobalt-60 are used in _____.
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Radium-226 and radon-222 are used in brachytherapy, a type of cancer therapy that involves placing a radioactive source directly into or near a tumor to kill cancer cells. Cobalt-60 is used in external beam radiotherapy, which involves aiming a beam of radiation at the tumor from outside the body.

The Commonly Used Radioactive Isotopes Radium-226,radon-222,and Cobalt-60 Are Used in _____