Assertion: actinium's number | /r/CapableOf | match their position
Facets:
value: in this variant
type: OTHER
value: in the f-block
type: LOCATION
value: usually
type: TEMPORAL
value: consistently
type: MANNER
Source sentences:
text: In this variant, the number of f electrons in the most common (trivalent) ions of the f-block elements consistently matches their position in the f-block.
text: In this variant, the number of f electrons in the gaseous forms of the f-block atoms usually matches their position in the f-block.