Assertion: astatine's isotope | /r/HasAspect | half-life of about 8 hours
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Source sentences:
text: The most stable isotope, astatine-210, has a half-life of about 8 hours.
text: The most stable isotope, astatine-210, has a half-life of about 8 hours.
text: Its most stable isotope, Astatine-210, is synthetically produced and is known to have a half-life of about 8 hours.
text: The most stable isotope, astatine-210, has a half-life of about 8 hours.