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The transuranium elements (also known as transuranic elements) are the chemical elements with atomic numbers greater than 92, which is the atomic number of uranium. All of them are radioactively unstable and decay into other elements.
- Transurane
Die hier namentlich genannten Transurane wurden in der...
- Superheavy element
The superheavy elements are those beyond the actinides in...
- Transurane
Die hier namentlich genannten Transurane wurden in der Arbeitsgruppe um Glenn T. Seaborg hergestellt und charakterisiert; Seaborg erhielt dafür 1951 den Nobelpreis für Chemie . Bis einschließlich des Elements 103, des Lawrenciums, gehören sie zusammen mit Thorium (90), Protactinium (91) und Uran (92) zur Gruppe der Actinoide.
The superheavy elements are those beyond the actinides in the periodic table; the last actinide is lawrencium (atomic number 103). By definition, superheavy elements are also transuranium elements, i.e., having atomic numbers greater than that of uranium (92).
Das JRC Karlsruhe (ehemals Institut für Transurane (JRC-ITU), englische Version des Namens: Joint Research Centre – Institute for Transuranium Elements, JRC-ITU) ist ein Forschungsinstitut der Gemeinsamen Forschungsstelle der Europäischen Kommission.
transuranium element, any of the chemical elements that lie beyond uranium in the periodic table —i.e., those with atomic numbers greater than 92. Twenty-six of these elements have been discovered and named or are awaiting confirmation of their discovery. Eleven of them, from neptunium through lawrencium, belong to the actinoid series.
17. Aug. 2020 · VIEW FULL TEXT DOWNLOAD PDF. Since the 1930s the synthesis of nuclides too unstable to exist naturally on Earth has stretched the periodic table to 118 elements. While the lighter transuranic elements have found uses, the isot...
Transuranium Elements at Berkeley Lab. Discovery of Transuranium Elements at Berkeley Lab. A National Historic Chemical Landmark. Initially dedicated at the Lawrence Berkeley National Laboratory in Berkeley, California, on March 11, 2000.
