The story behind the three-letter symbols is recounted in a feature prepared by Lars Öhrström and Norman Holden and published in Chem Int 2016, Vol. In result, that is how, in March 2016, element 113 was called ununtrium or with the symbol Uut. The pertinent recommendations setting-up that systematic nomenclature was published in 1978 see PAC 1979, Vol. While an element can have been claimed, before the claim has been validated and before the element is formally named, the element has a temporary name and symbol. In Nov 2018, a provisional report ON THE DISCOVERY OF NEW ELEMENTS was released by IUPAC/IUPAP. Criteria and guidelines for establishing priority of discovery of potential new elements are presented. While reviewing the discovery profiles of the transfermium elements in the early 90s’, IUPAC and IUPAP set up to establish a series of criteria that must be satisfied for the discovery of an element to be recognized. Details about the latest release are provided above. Details below provide multiple references to IUPAC journal in Pure and Applied Chemistry ( PAC) and magazine Chemistry International ( CI).Īssessing if an element has been “discovered” is not a simple task.
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