Assertion: noble gas | /r/HasProperty | ar
Facets:
value: in this case
type: TEMPORAL
Source sentences:
text: They are He (Helium), Ne (Neon), Ar (Argon), Kr (Krypton), Xe (Xenon) and Rn (Radon).
text: In this case, the noble gas is Ar.
text: The noble gas down from Fe is Ar, which, with 18 electrons, has the configuration