Chemistry Nexus

by WebElements: the periodic table on the web

International team discovers element 117

A new chemical element has been added to the Periodic Table: A paper on the discovery of element 117 has been accepted for publication (5 April 2010) in Physical Review Letters.1


The discovery of a new chemical element with atomic number Z=117 is reported. The isotopes 293117 and 294117 were produced in fusion reactions between 48Ca and 249Bk.

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April 12th, 2010

Posted In: Chemistry, Group 17 elements, Nuclear chemistry, p-Block, Radioactive elements

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117Notes from the 31st meeting of PAC for Nuclear Physics seems to suggest that a claim for element 117 (at the base of the halogen column) may come in the coming weeks and months. It’s not very clear which isotopes may have been formed so watch this space.

IV. Experiments on the synthesis of element 117

The PAC heard with great interest the report on the results of the experiment dedicated to the synthesis of element 117 in the 48Ca + 249Bk reaction.

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March 10th, 2010

Posted In: Group 17 elements, p-Block, Radioactive elements

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