Assertion: aluminum | /r/HasProperty | metalloid
Facets:
value: from the article
type: OTHER
value: in a few cases
type: TEMPORAL
Source sentences:
text: Corrosion coating reduces the rate of corrosion by varying degrees, depending on the kind of base metal and its environment, and is notably slower in room-temperature air for aluminium, chromium, zinc, titanium, and silicon (a metalloid).
text: The reason why, in a few cases, aluminium is referred to as a metalloid, from the article: