IUPAC Periodic Table of the Elements

The latest release of the Periodic Table (dated 28 November 2016) includes the recently added elements 113, 115, 117, and 118 with their names and symbols (see related News), the standard atomic weights 2013 (abridged to five significant digits) and the conventional atomic weights as published in PAC Vol. 88, No.3, pp. 265-291 (http://dx.doi.org/10.1515/pac-2015-0305), and for ytterbium, the standard atomic weight updated following the 2015 review (see related News).

Webpage:
https://iupac.org/what-we-do/periodic-table-of-elements

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