[ RadSafe ] Two new highly radioactive elements added to the Periodic Table
doug.huffman at wildblue.net
Thu Jun 9 15:23:18 CDT 2011
In the vein of Highly Toxic plutonium, thank goodness for their short
half-lives! We don't have to worry about these new toxic elements. Will
the trend continue, will the toxic majority increase?
On 6/9/2011 13:56, RRGWNYEnviro at aol.com wrote:
> Two new highly radioactive elements added to the Periodic Table
> Scientists from the international overseeing committees of physics and
> chemistry have _added two new elements_
> (http://www.bbc.co.uk/news/science-environment-13699575) to the periodic table.
> The _still-unnamed elements_
> (http://www.wired.com/geekdad/2011/06/new-heavy-elements-need-geeky-names/) 114 and 116 are both extremely radioactive
> and, with respective atomic mass unit values of 289 and 292, are now
> heaviest table-members, taking the place of copernicium and roentgenium.
> The discovery of both elements has been credited to the Joint Institute for
> Nuclear Research in Dubna, Russia and Lawrence Livermore National
> Laboratory in California. The collaborative parties have proposed the name
> flerovium for 114, after Soviet scientist Georgy Flyorov, and moscovium for 116,
> after the region in Russia.
> According to _Wired_
> (http://www.wired.com/wiredscience/2011/06/new-heavy-elements/) :
> The two new elements are radioactive and only exist for less than a second
> before decaying into lighter atoms. Element 116 will quickly decay into
> 114, and 114 transforms into the slightly lighter copernicium as it sheds its
> alpha particles.
> _A joint effort_
> (http://www.npr.org/templates/story/story.php?storyId=137058735) by the International Union of Pure and Applied Chemistry (IUPAC)
> and the International Union of Pure and Applied Physics (IUPAP) required
> three years to approve the addition. Other periodic table hopefuls 113, 115 and
> 118 are still pending approval.
> The elements are temporarily labeled ununquadium and ununhexium, pending
> final naming.
> A full report of has been published in the journal _Pure and Applied
> Chemistry_ (http://iupac.org/publications/pac/asap/PAC-REP-10-05-01/) .
> Very truly yours,
> RRG: Ryokan Route Gento (Grand Mali Park)
> WNY: West Noga (area) Yokohama
> Environment Monitoring
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