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 -  Monday, January 05, 2009
Mine is Up to Date
Reviewed By: Jerry 
I just bought a couple of these periodic tables and my set has Element 110 and 111 listed as Darmstadtium, symbol Ds and Roentgenium, symbol Rg. only 112-115 is unnamed which I believe IUPAC (International Union of Pure and Applied Chemistry), still hasn’t assign names those Elements

 -  Monday, February 04, 2008
durable
 
My Chemistry students put these periodic tables through a lot of abuse, but they hold up amazingly well.

 -  Thursday, March 08, 2007
Uun and Uuu - Elements 110 and 111
Reviewed By: Justin Conway 
This periodic table lists elements 110 and 111 using their systematic provisional names (Ununilium and Unununium). The IUPAC (International Union of Pure and Applied Chemistry), the governing body of the periodic table of the elements, has since assigned official permanent names for these elements. Element 110 is now officially named Darmstadtium, symbol Ds; Element 111 is now officially named Roentgenium, symbol Rg. Though in many cases, it isn't necessary to have a periodic table including these names, it should be said that technically the table isn't up to date. [Home Science Tools adds: This has been updated on the current charts.]