Assertion: berkelium | /r/CapableOf | form the +3 oxidation state
Facets:
value: because of its electron configuration
type: CAUSE
value: most commonly
type: DEGREE
Source sentences:
text: Because of its electron configuration, Berkelium most commonly forms the +3 oxidation state (losing 3 electrons when forming a compound) but +2 and +4 are also known.