Assertion: urine's phosphorus | /r/HasProperty | reactive
Facets:
value: highly
type: DEGREE
Source sentences:
text: For example, freshly prepared, bright red phosphorus is highly reactive and ignites at about 300 °C (572 °F), though it is more stable than white phosphorus, which ignites at about 30 °C (86 °F).
text: Black phosphorus is the least reactive allotrope and the thermodynamically stable form below 550 °C (1,022 °F).