Question

Mention the Noble gas element used in cancer therapy.​

Answer 1

It's none other than radon.Radon is a chemical element with symbol Rn and atomic number 86. It is a radioactive , colorless, odorless, tasteless Noble has. ... Radon has been used in implantable seeds, made of gold or glass, primarily used to treat cancers.

Answer 2

radon is used in radio therapy for cancer treatment