Assertion: boron's compound | /r/CapableOf | term orthoborate
Facets:
Source sentences:
text: Some compounds termed orthoborates do not necessarily contain the trigonal planar ion, for example, gadolinium orthoborate GdBO 3 contains the polyborate [B 3 O 9 ]9− ion, whereas the high-temperature form contains planar [BO 3 ]