Assertion: actinium's electron | /r/HasProperty | poised
Facets:
value: ambiguously
type: MANNER
value: between being localized
type: OTHER
Source sentences:
text: The 4f electron in cerocene, Ce(C 8 H 8 ) 2 , is poised ambiguously between being localized and delocalized and this compound is also considered intermediate-valent.