Question

Application of inert gases radon ,oganesson

Answer 1

1) Xenon- used in xenon flash lamps, in lasers, in anesthesia, and even in medical imaging.
2) Radon- Radon has been used in the past for medical purposes but not so much anymore as harmful for us in some ways as it is Radioactive gas...
3) Argon:-   Inert gas for welding Inert gas for filling incandescent bulbs instead of using a vaccum  Argon-Ion lasers, also used as discharge tubes, certain types of flash arrerstors.

Answer 2

Oganesson's most stable isotope, oganesson-294, has a half-life of about 0.89 milliseconds. It decays into livermorium-290 through alpha decay. Since only a few atoms of oganesson have ever been produced, it currently has no uses outside of basic scientific research.

hope it helps you........