Assertion: californium's isotope | /r/CapableOf | range in mass number
Facets:
value: from 237
type: OTHER
Source sentences:
text: Of the 20 isotopes of californium that have been synthesized, ranging in mass number from 237 to 256 the most stable are 251Cf (half-life 898 years), 249Cf (half-life 351 years), 250Cf (half-life 13.08 years), and 252Cf (half-life 2.65 years).