(P279)	(Q25276) (P642)
(P910)	(Q8556519)

External Links

(P244)	sh85110815
(P646)	/m/01194f35
(P6366)	2778898048
(P8189)	987007560613405171
(P8408)	IsotopeOfRadon
(P10376)	pharmacology-toxicology-and-pharmaceutical-science/isotopes-of-radon agricultural-and-biological-sciences/isotopes-of-radon earth-and-planetary-sciences/radon-isotopes physics-and-astronomy/radon-isotopes