Assertion: phosphorus's form | /r/CapableOf | emit faint glow
Facets:
value: upon exposure to oxygen
type: TEMPORAL
Source sentences:
text: The first form of elemental phosphorus to be produced emits a faint glow upon exposure to oxygen –
text: One form of phosphorus (white phosphorus) emits a faint glow upon exposure to oxygen (hence its Greek derivation and the Latin 'light-bearer', meaning the planet Venus as Hesperus or "Morning Star").