Assertion: astatine's life | /r/CapableOf | exceed one hour
Facets:
Source sentences:
text: In total, only five isotopes have half-lives exceeding one hour (astatine-207 to -211).
text: In total, only five isotopes have half-lives exceeding one hour, all having mass numbers between 207 and 211.
text: In total, only five isotopes have half-lives exceeding one hour (astatine-207 to -211).