Assertion: boron's compound | /r/HasProperty | important
Facets:
Source sentences:
text: Chemical compounds of boron are important as to make strong materials not weigh very much, as nontoxic insecticides and preservatives, and for chemical synthesis.
text: Chemical compounds of boron are important as to make strong materials not weigh very much, as nontoxic insecticides and preservatives, and for chemical synthesis.
text: Boron also forms important compounds with two other elements, carbon and nitrogen.