Assertion: silicon | /r/HasProperty | metal
Facets:
value: often
type: TEMPORAL
Source sentences:
text: He believed silicon was a metal and added the -ium suffix.
text: Both carbon and silicon are non-metals.
text: Silicon is neither metal nor non-metal; it's a metalloid, an element that falls somewhere between the two.
text: Silicon already shows some incipient metallic behavior, particularly in the behavior of its oxide compounds and its reaction with acids as well as bases (though this takes some effort), and is hence often referred to as a metalloid rather than a nonmetal.