Assertion: table's element | /r/HasProperty | based on chemical properties
Facets:
Source sentences:
text: There is an approximate correspondence between this nomenclature of blocks, based on electronic configuration, and sets of elements based on chemical properties.
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.