Radon
Symbol: Rn, atomic number:86 atomic mass: 222
Additional info
Group: 18
Period:6
Group name: noble gas
It is a nonmetal
Radon is a gas
Radon use 1
Radon is used in cancer treatment
Radon use 2
Radon is used in tubes to treat tumors.
Radon use 3
Radon can be added to an isotope to detect radiation in homes