Assertion: protactinium's life | /r/HasProperty | less than ten minutes
Facets:
Source sentences:
text: All of the remaining thorium isotopes have half-lives that are less than thirty days and the majority of these have half-lives that are less than ten minutes.
text: All of the remaining radioactive isotopes have half-lives that are less than thirty days and the majority of these have half-lives that are less than ten minutes.