Acrylic Element cube 117-Tennessine – 50mm

 39,00 inkl. MWSt.

117 Tennessine – placeholder – Radioactive symbol

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Artikelnummer: 03695-117 Kategorien: ,


The Sensation! Acrylic Element-blocks NEW!
117-Tennessine – placeholder – Radioactive symbol ONLY – Does not contain any physical material!

Tennessine is a synthetic chemical element with the symbol Ts and atomic number 117. It is the second-heaviest known element and the penultimate element of the 7th period of the periodic table.

The discovery of tennessine was officially announced in Dubna, Russia, by a Russian–American collaboration in April 2010, which makes it the most recently discovered element as of 2020. One of its daughter isotopes was created directly in 2011, partially confirming the results of the experiment. The experiment itself was repeated successfully by the same collaboration in 2012 and by a joint German–American team in May 2014. In December 2015, the Joint Working Party of the International Union of Pure and Applied Chemistry (IUPAC) and the International Union of Pure and Applied Physics, which evaluates claims of discovery of new elements, recognized the element and assigned the priority to the Russian–American team. In June 2016, the IUPAC published a declaration stating that the discoverers had suggested the name tennessine after Tennessee, United States. In November 2016, they officially adopted the name “tennessine”.

Tennessine may be located in the “island of stability“, a concept that explains why some superheavy elements are more stable compared to an overall trend of decreasing stability for elements beyond bismuth on the periodic table. The synthesized tennessine atoms have lasted tens and hundreds of milliseconds. In the periodic table, tennessine is expected to be a member of group 17, all other members of which are halogens.[b] Some of its properties may significantly differ from those of the halogens due to relativistic effects. As a result, tennessine is expected to be a volatile metal that neither forms anions nor achieves high oxidation states. A few key properties, such as its melting and boiling points and its first ionization energy, are nevertheless expected to follow the periodic trends of the halogens.

Die Innovation! Ausgewählte Elementproben in großzügiger  Menge eingebettet in 50x50x50mm erstklassiges kristallklares Acryl (kein billiges Giess-Harz!). Völlig lichtecht und UV resistent. Der Text ist innen gedruckt!  Jeder Acrylblock ist ein handgemachtes Unikat! Ein echter Hingucker!

Diese originalen Acrylwürfel werden in vielen wichtigen und berühmten Periodensystemkollektionen auf der ganzen Welt verwendet!

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