Assertion: berkelium's life | /r/HasProperty | 314 days
Facets:
Source sentences:
text: Weighable amounts of 249Bk (half-life 314 days) make it possible to determine some of its properties using macroscopic quantities.
text: Weighable amounts of 249Bk (half-life 314 days) make it possible to determine some of its properties using macroscopic quantities.