radon compounds
preferred label: ترکیبات رادون @fa
type: Concept
related: radon

natural radioactivity hazard
preferred label: خطر پرتوزایی طبیعی @fa
type: Concept
related: radon

radon
alternative label: thoron
scope note: see also nucleus with ......
related: radon compounds
related: natural radioactivity hazard
broader: inert gas
preferred label: رادون @fa
type: Concept

inert gas
preferred label: گاز بی‌اثر @fa
type: Concept
narrower: radon