Assertion: carbon | /r/HasAspect | four valence electrons
Facets:
value: in this count
type: TEMPORAL
value: in the molecule
type: LOCATION
Source sentences:
text: Carbon is small and has four valence electrons; these factors combine into a unique structure that allows it to easily make a chain of carbon atoms.
text: In this count, carbon then has only two valence electrons in the molecule compared to four in the free atom.