Assertion: cerium | /r/CapableOf | react with the air
Facets:
value: quickly
type: MANNER
Source sentences:
text: Cerium is not often used as a metal since it quickly reacts with the air and tarnishes.
text: It is very active, reacting with air, water and most acids and bases.
text: Cerium is not often used as a metal since it quickly reacts with the air and tarnishes.
text: Cerium is not often used as a metal since it quickly reacts with the air and tarnishes.