Assertion: xenon's compound | /r/HasProperty | reported including xef
Facets:
value: since bartlett's observation
type: TEMPORAL
Source sentences:
text: Since Bartlett's observation, many well-defined compounds of xenon have been reported including XeF 2 , XeF 4 , and XeF 6 .
text: Since Bartlett's observation, many well-defined compounds of xenon have been reported including XeF 2 , XeF 4 , and XeF 6 .
text: Since Bartlett's observation, many well-defined compounds of xenon have been reported including XeF 2 , XeF 4 , and XeF 6 .