Assertion: berkelium's life | /r/HasProperty | estimated as 23 ±
Facets:
Source sentences:
text: The half-life of 248Cf was estimated as 23 ± 5 hours and a more reliable value still is not known.
text: The half-life of 248Bk was estimated as 23 ± 5 hours, though later 1965 work gave a half-life in excess of 300 years (which may be due to an isomeric state).
text: The half-life of 248Cf was estimated as 23 ± 5 hours and a more reliable value still is not known.