Assertion: boron | /r/CapableOf | combine with oxygen
Facets:
value: to form boron trioxide
type: PURPOSE
value: to form several different compounds
type: PURPOSE
value: in the air
type: LOCATION
value: in nature
type: LOCATION
Source sentences:
text: It combines with oxygen and other natural elements in nature to form several different compounds called borates.
text: Boron combines with oxygen in the air to form boron trioxide ( B 2 O 3 ).