Element Hassium (Hahnium, Unniloctium), Hs

Element 108, Hassium (symbol Hs) was discovered almost simultaneously in 1984 at the Joint Institute for Nuclear Research at Dubna and Institute for Heavy Ion Research (Gesellschaft fur Schwerionenforschung) in Darmstadt, Germany. The temporary name for this element offered by IUPAC was Unniloctium (symbol Uno). The name Hahnium (symbol Ha), after Otto Hahn proposed in August 1994. However, finally the final name Hassium was ratified by the IUPAC Council meeting in Geneva in August 1997 and internationally accepted in the honor of the state Hessen (capital Wiesbaden) - German state where Institute for Heavy Ion Research is located.