Isotopes of astatine
id:
isotopes-of-astatine-189-11415951
title:
Isotopes of astatine
text:
Astatine (85At) has 41 known isotopes, all of which are radioactive; their mass numbers range from 188 to 229. There are also 24 known metastable excited states. The longest-lived isotope is ⁱ⁰At, which has a half-life of 8.1 hours; the longest-lived isotope existing in naturally occurring decay chains is ⁱ⁹At with a half-life of 56 seconds.
brand slug:
wiki
category slug:
encyclopedia
description:
Nuclides with atomic number of 85 but with different mass numbers
original url:
https://en.wikipedia.org/wiki/Isotopes_of_astatine
date created:
2005-08-24T10:21:58Z
date modified:
2024-09-09T09:46:50Z
main entity:
{"identifier":"Q2217740","url":"https://www.wikidata.org/entity/Q2217740"}
image:
fields total:
13
integrity:
15