Assertion: beryllium | /r/CapableOf | react hard oxide of the metal
Facets:
value: with air
type: TRANSITIVE-OBJECT
value: on the metal’s surface
type: LOCATION
Source sentences:
text: The reason why Beryllium is resistant to concentrated nitric acid is that when left in air, Beryllium reacts with air forming a thin film of BeO – a hard oxide of the metal – on the metal’s surface.