Assertion: silicon's compound | /r/HasProperty | prepared
Facets:
Source sentences:
text: Many such compounds have been prepared, the only known restriction being that the nitrogen is always tertiary, and species containing the SiH–NH group are unstable at room temperature.
text: The unusual compound Ge 6 Cl 16 has been prepared that contains the Ge 5 Cl 12 unit with a neopentane structure.