[ RadSafe ] Two new highly radioactive elements added to the Periodic Table

[Doug Huffman]

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,
> M.Sato
> 
> RRG: Ryokan Route Gento (Grand Mali  Park)
> WNY: West Noga (area) Yokohama
> Environment Monitoring
> 
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