Question

The radioactive gas used to
cure cancer is _______

TNSCERT Class 8 Science Ch5. Elements and Compounds Around us

Answer 1

Radioactive “radon” gas is used to cure cancer.

Radon is a chemical element which may also cause lung cancer but when this chemical is radiated it is used to treat cancer.

 It is encapsulated and then left in the place of the cancer for effect.

Answer 2

radon
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The radioactive gas used to cure cancer is radon.


The atomic number of radon is 86 and it is a radioactive element 
It comes in the group of noble gases
one of its application is to cure cancer as it kills cancer-causing cells