Assertion: boron | /r/CapableOf | react with oxygen
Facets:
value: with to form iron boroncementite
type: PURPOSE
value: to form boron oxide
type: PURPOSE
Source sentences:
text: Boron reacts with oxygen to form boron oxide (B 2 O 3 ); with carbon to form iron boroncementite (Fe 3 (CB)) and iron boroncarbide (Fe 23 (CB) 6 ); and with nitrogen to form boron nitride (BN).