[naturally radioactive element with atomic symbol Rn, atomic number 86, and atomic weight 222; a member of the noble gas family, released during the decay of radium and found in soil; there is a link between exposure to radon and lung cancer. ( CSP )]
UMLS (NCI) C0034629 - Hazardous or Poisonous Substance
- Element, Ion, or Isotope
Relation/PAR: gas element
radioisotope