Rn

See also: rn and RN

Translingual

Symbol

Rn

1. (chemistry) radon, element 86
   1. (chemistry, physics) radon; ²²²₈₆Rn (radon-222); an isotope of radon, used when radon-220 is called thoron (Tn) and radon-219 is called actinon (An)

Synonyms

radon, element 86

• Nt (obsolete)
• Ro (obsolete)

 

radon-222, an isotope of radon

• Ro (obsolete)

 

Coordinate terms

isotope of radon

• An (actinon, radon-219)
• Tn (thoron, radon-220)