Assertion: thorium | /r/CapableOf | tarnish in air
Facets:
value: slowly
type: MANNER
Source sentences:
text: However, when it is contaminated with the oxide, thorium slowly tarnishes in air, becoming grey and eventually black.
text: When contaminated with the oxide, thorium slowly tarnishes in air, becoming grey and finally black.
text: However, when it is contaminated with the oxide, thorium slowly tarnishes in air, becoming grey and eventually black.
text: When contaminated with the oxide, thorium slowly tarnishes in air, becoming gray and finally black.
text: However, when it is contaminated with the oxide, thorium slowly tarnishes in air, becoming grey and eventually black.