Assertion: black phosphorus | /r/HasProperty | the least reactive allotrope
Facets:
Source sentences:
text: Black phosphorus is the least reactive allotrope and the thermodynamically stable form below 550 °C (1,022 °F).
text: Black phosphorus is the least reactive allotrope and has a graphite-like structure.
text: Black phosphorus is made of even larger aggregates and is the least reactive allotrope.
text: Black phosphorus has an orthorhombic structure (Cmca) and is the least reactive allotrope, it consists of many six-membered rings which are interlinked.