Assertion: xenon | /r/HasProperty | discovered by sir william ramsay
Facets:
value: in 1898
type: TEMPORAL
value: in the residue
type: LOCATION
value: on july
type: TEMPORAL
Source sentences:
text: Xenon was discovered by Sir William Ramsay, a Scottish chemist, and Morris M. Travers, an English chemist, on July 12, 1898, shortly after their discovery of the elements krypton and neon.
text: Xenon was discovered by Sir William Ramsay and Morris Travers in 1898 in the residue left after evaporating liquid air components.