Assertion: argon | /r/HasProperty | atomic number
Facets:
value: with the element symbol
type: OTHER
value: on the periodic table
type: LOCATION
Source sentences:
text: Argon is atomic number 18 on the periodic table, with the element symbol Ar.
text: Argon is a chemical element with symbol Ar and atomic number 18.
text: Argon is a chemical element with symbol Ar and atomic number 18.
text: Argon is a chemical element with symbol Ar and atomic number 18.