Assertion: pm's isotope | /r/HasProperty | lived
Facets:
value: longest
type: DEGREE
Source sentences:
text: Its longest lived isotopes are 145Pm with a half-life of 17.7 years and 147Pm, with a half-life of 2.6234 years.
text: Its longest lived isotopes are 145Pm with a half-life of 17.7 years and 147Pm, with a half-life of 2.6234 years.