DescriptionPeriodic Table Radioactivity sv.svg English: Periodic table with elements colored according to the half-life of their most stable isotope....
This image is a derivative work of the following images: Image:Periodic_Table_Armtuk3.svg licensed with Cc-by-sa-2.5,2.0,1.0, GFDL 2007-04-28T06:16:00Z...