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Photo: JAEA
An international group of researchers including participants from GSI Helmholtzzentrum für Schwerionenforschung in Darmstadt and its two branches, the Helmholtz Institutes Mainz and Jena, have determined the first ionization potentials of the artificially created elements fermium, mendelevium, nobelium, and lawrencium. The data unambiguously show that the actinide series ends with lawrencium. The results have been published in the Journal of the American Chemical Society (JACS).




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