Assertion: borax's boron | /r/HasProperty | non-metallic element
Facets:
value: in the periodic table
type: LOCATION
Source sentences:
text: Boron is a non-metallic element, and it is the only non-metal of the group-13 of the periodic table elements.
text: Boron in its chemical behaviour is nonmetallic.
text: Boron is a nonmetallic element, group III in the periodic table.
text: Boron is a non-metallic element which occurs in various forms.