Assertion: table's row | /r/HasProperty | confused
Facets:
value: sometimes
type: TEMPORAL
value: with the lanthanides
type: OTHER
value: with the actinides
type: OTHER
Source sentences:
text: The two 14-member rows of the f-block elements are sometimes confused with the lanthanides and the actinides, which are names for sets of elements based on chemical properties more so than electron configurations.