Assertion: noble gas's electron | /r/CapableOf | fill low-energy orbitals
Facets:
value: closer to the nucleus
type: LOCATION
Source sentences:
text: However, we will see that the #4s# orbital fills with electrons before any of those in the #3d# subshell, as the #4s# orbital is lower in energy than the #3d# s, and it is favorable for electrons to fill low-energy orbitals first (closer to the nucleus).