Assertion: rutherfordium's isotope | /r/HasProperty | reported
Facets:
Source sentences:
text: The heavy isotopes 266Rf and 268Rf have also been reported as electron capture daughters of the dubnium isotopes 266Db and 268Db, but have short half-lives to spontaneous fission.
text: A fifth possible isotope with mass number 294 has been reported but not yet confirmed.