Periodic Table of Elements - IUPAC | International Union of Pure …
The latest release of the Periodic Table (dated 4 May 2022) includes the most recent abridged standard atomic weight values released by the IUPAC Commission on Isotopic Abundances and Atomic Weights , compiled as part of the 2021 Table of Standard Atomic Weights 2021. For elements that lack isotopes with a characteristic isotopic abundance in ...
1 H hydrogen 1.0080 ± 0.0002 1 18 3 Li lithium 6.94 ± 0.06 4 Be beryllium 9.0122 ± 0.0001 11 Na sodium 22.990 ± 0.001 12 Mg magnesium 24.305 ± 0.002 19 K potassium 39.098
IUPAC Announces the Names of the Elements 113, 115, 117, and 118
2016年11月30日 · IUPAC and the International Union of Pure and Applied Physics (IUPAP) are establishing a new joint working group which task will be to examine the criteria used to verify claims for the discovery of new elements.
Time to review your Periodic Table - IUPAC - International Union …
2022年5月17日 · IUPAC also provides an updated Periodic Table (released 4 May 2022) which contains these latest revisions listing the abridged atomic weights along with their +/− values.
Periodic Table – archives - International Union of Pure and Applied ...
2022年5月4日 · Earlier versions of the Periodic Table released since 1999. 4 May 2022 [current version]
IUPAC Periodic Table of the Elements. Created Date: 5/10/2022 2:54:33 PM ...
IUPAC Periodic Table of Elements – updated release
2016年1月8日 · The latest release of the Periodic Table (dated 8 Jan 2016) includes the recently added elements 113, 115, 117, and 118 with their temporary names and symbols (see related News), the standard atomic weights 2013 (abridged to four significant digits and as deduced from PAC 88, No.3 (2016) https://dx.doi.org/10.1515/pac-2015-0305), and for ...
IUPAC is naming the four new elements nihonium, moscovium, …
2016年6月8日 · The names of all new elements in general would have an ending that reflects and maintains historical and chemical consistency. This would be in general “-ium” for elements belonging to groups 1-16, “-ine” for elements of group 17 and “-on” for elements of group 18.
On the discovery of new elements - IUPAC
2018年11月14日 · The proposal that the criteria for the discovery of new elements, established 25 years ago by the Transfermium Working Group (TWG) established by IUPAP and IUPAC, be reviewed grew out of discussions started by Natalia Tarasova and Bruce McKellar, the Presidents of IUPAC and IUPAP in 2016.
New Interactive Electronic Version of the IUPAC Periodic Table of …
2016年8月17日 · Following the global launch on August 17, 2016, the new IUPAC interactive electronic periodic table and accompanying resources can be accessed at www.isotopesmatter.com. A print version of the periodic table of the isotopes and elements is available at https://ciaaw.org/periodic-table-isotopes.htm.
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