Assertion: compound | /r/MadeOf | closed cages of boron atoms
Facets:
Source sentences:
text: Diboron tetrachloride decomposes at room temperature to give a series of monochlorides having the general formula (BCl) n , in which n may be 8, 9, 10, or 11; the compounds with formulas B 8 Cl 8 and B 9 Cl 9 are known to contain closed cages of boron atoms.