ウンウントリウムの同位体
1. Isotopes of ununtriumUnuntrium (Uut) is an artificial element, and thus a standard atomic mass cannot be given. Like all artificial elements, it has no stable isotopes. The first isotope to be synthesized was Uut as a decay product of Uup in 2003. The first isotope to be directly synthesized was Uut in 2004. There are 6 known radioisotopes from Uut to Uut. The longest-lived isotope is Uut with a half-life of 19.6 seconds.
Read “Isotopes of ununtrium” on English Wikipedia
Read “ウンウントリウムの同位体” on Japanese Wikipedia
Read “Isotopes of ununtrium” on DBpedia
Read “Isotopes of ununtrium” on English Wikipedia
Read “ウンウントリウムの同位体” on Japanese Wikipedia
Read “Isotopes of ununtrium” on DBpedia
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