Assertion: atom's bond | /r/HasProperty | to atom
Facets:
value: in the layer
type: LOCATION
Source sentences:
text: Each carbon atom has four separate bonds and each nitrogen atom three; bonds not depicted in this diagram are to atoms in the layer above or below this one.
text: Each carbon atom has four separate bonds and each nitrogen atom three; bonds not depicted in this diagram are to atoms in the layer above or below this one.