Assertion: atom's electron | /r/LocatedNear | atomic nucleus
Facets:
value: in pathways
type: LOCATION
value: an idea that was put
type: OTHER
Source sentences:
text: Electrons surround the atomic nucleus in pathways called orbitals, an idea that was put forth by Erwin Schrödinger, an Austrian physicist, in the 1920s.
text: Electrons exist outside of and surrounding the atom nucleus.