Assertion: period's element | /r/HasAspect | electron
Facets:
value: in the 1s orbital
type: LOCATION
value: in their ground state
type: LOCATION
value: in its outer shell
type: LOCATION
value: in the 6d subshell
type: LOCATION
Source sentences:
text: The transactinide elements all have electrons in the 6d subshell in their ground state (and thus are placed in the d-block).
text: An element in group 2 has 2 electrons in its outer shell .
text: These elements can only hold two electrons, both in the 1s orbital.