Assertion: phosphorus's allotrope | /r/HasProperty | incompatible
Facets:
value: with halides
type: OTHER
value: with oxidizing materials
type: OTHER
value: with halogens
type: OTHER
value: with sulfur
type: OTHER
Source sentences:
text: Both allotropes of phosphorus are incompatible with halogens, halides, sulfur, oxidizing materials, and will form toxic phosphine gas upon exposure to alkali materials.