Assertion: radon | /r/CapableOf | form monatomic gas
Facets:
value: at pressure
type: OTHER
value: with 1.217 kg/m3
type: OTHER
value: at standard temperature
type: OTHER
Source sentences:
text: At standard temperature and pressure, radon forms a monatomic gas with a density of 9.73 kg/m3, about 8 times the density of the Earth's atmosphere at sea level, 1.217 kg/m3.