Assertion: protactinium | /r/CapableOf | form compound
Facets:
value: with hydrogen
type: OTHER
value: with the halogens
type: OTHER
Source sentences:
text: Protactinium forms compounds with the halogens (fluorine, chlorine, bromine, and iodine ) and with hydrogen.
text: Protactinium is a bright, shiny metal that forms compounds with the halogens and with hydrogen, though there are no known practical applications of any such compounds.