Assertion: elemental manganese | /r/CapableOf | react with oxygen
Facets:
value: in the environment
type: LOCATION
value: by oxidation of the elemental manganese
type: MANNER
value: to form mno2
type: PURPOSE
Source sentences:
text: By oxidation of the elemental manganese: elemental manganese reacts with oxygen in the environment to form MnO2.