Assertion: borax's boron | /r/HasProperty | metalloid
Facets:
Source sentences:
text: Perched next to carbon on the Periodic Table of Elements, boron is a metalloid, a substance with both metallic and nonmetallic properties.
text: Boron is a metalloid, intermediate between metals and non-metals.
text: Elemental boron is a metalloid that is found in small amounts in meteoroids but chemically uncombined boron is not otherwise found naturally on Earth.
text: Boron is a metalloid (an element which has both metallic and non-metallic properties) that has an odourless, black, hard solid appearance.
text: Boron is a metalloid and was discovered by Joseph L. Gay-Lussac and L. J. Thénard in 1808.