Assertion: rutherfordium's isotope | /r/HasProperty | reported with atomic masses
Facets:
value: from 253
type: TEMPORAL
Source sentences:
text: Sixteen different isotopes have been reported with atomic masses from 253 to 270 (with the exceptions of 264 and 269).
text: Sixteen different isotopes have been reported with atomic masses from 253 to 270 (with the exceptions of 264 and 269).
text: Fifteen different isotopes have been reported with atomic masses from 253 to 268 (with the exception of 264).
text: Twelve different isotopes of seaborgium have been reported with atomic masses 258–267, 269, and 271, three of which, seaborgium-261, 263, and 265, have known metastable states.