Assertion: argon | /r/HasAspect | 18 protons
Facets:
value: in the nucleus
type: LOCATION
Source sentences:
text: Argon has 18 protons, 22 neutrons, and 18 electrons.
text: Argon has an atomic number of 18 which means it has 18 protons in the nucleus and 18 electrons surrounding the nucleus.