Assertion: astatine's isotope | /r/HasAspect | half-life of 8.3 hours
Facets:
Source sentences:
text: Its most stable isotope has a half-life of 8.3 hours.
text: It is now known that there are no stable astatine isotopes – the longest lived isotope, astatine-210, has a half-life of 8.3 hours.
text: The most stable isotope of astatine has a half-life of 8.3 hours.