Assertion: oxygen | /r/HasProperty | chemical element
Facets:
value: with the symbol o
type: OTHER
value: with atomic number
type: OTHER
Source sentences:
text: Oxygen is a chemical element with symbol O and atomic number 8.
text: Oxygen is a chemical element that exists in the atmosphere as a stable molecule containing two atoms (O 2 ).
text: Oxygen is the chemical element with the symbol O and atomic number 8.
text: Oxygen is the chemical element with the symbol O and atomic number 8.