Assertion: cerium | /r/HasAspect | stable +4 state
Facets:
value: exceptionally
type: DEGREE
Source sentences:
text: Cerium is the second element in the lanthanide series, and while it often shows the +3 oxidation state characteristic of the series, it also exceptionally has a stable +4 state that does not oxidize water.
text: Cerium is the second element in the lanthanide series, and while it often shows the +3 state characteristic of the series, it also exceptionally has a stable +4 state that does not oxidise water.