For the first time, researchers have studied the chemistry of the element hassium, confirming its location on the periodic table. Hassium, with 108 protons in each atom, is the heaviest element yet to ...

Word Origin: Hassium was named for the German state Hessen. Its name is derived from the Latin version of Hessen, Hassias. Discovery: Hassium was discovered in 1984. It was first produced in Darmstadt ...

Radioactive nuclei that hang around for a mere half-minute before falling apart hardly seem stable. Yet compared with the fleeting lifetimes of their superheavy atomic neighbors, the roughly 30-second ...

Le hassium est un élément chimique transuranien qui a été ainsi baptisé en l'honneur du Land allemand de Hesse dans lequel il a été découvert. Le hassium est un métal radioactif supposé solide à ...

The discovery of Hs was reported in 1984 (ref. 11) with the identification of the nuclide 265 Hs with a half-life of T 1/2 = 1.5 ms (refs 11, 12). In 1996, the much longer-lived isotope 269 Hs, with a ...