CHEMISTRY International The News Magazine of IUPAC October-December 2019 Volume 41 No. 4 Special IYPT2019 Elements of X INTERNATIONAL UNION OFBrought to you by | IUPAC The International Union of Pure and Applied Chemistry PURE AND APPLIED CHEMISTRY Authenticated Download Date | 11/6/19 3:09 PM Elements of IYPT2019 CHEMISTRY International he Periodic Table of Chemical Elements has without any The News Magazine of the doubt developed to one of the most significant achievements International Union of Pure and Tin natural sciences. The Table (or System, as called in some Applied Chemistry (IUPAC) languages) is capturing the essence, not only of chemistry, but also of other science areas, like physics, geology, astronomy and biology. All information regarding notes for contributors, The Periodic Table is to be seen as a very special and unique tool, subscriptions, Open Access, back volumes and which allows chemists and other scientists to predict the appear- orders is available online at www.degruyter.com/ci ance and properties of matter on earth and even in other parts of our the universe. Managing Editor: Fabienne Meyers March 1, 1869 is considered as the date of the discovery of the Periodic IUPAC, c/o Department of Chemistry Law. That day Dmitry Mendeleev completed his work on “The experi- Boston University ence of a system of elements based on their atomic weight and chemi- Metcalf Center for Science and Engineering cal similarity.” This event was preceded by a huge body of work by a 590 Commonwealth Ave. number of outstanding chemists across the world. We have elaborated Boston, MA 02215, USA on that in the January 2019 issue of Chemistry International (https:// E-mail:
[email protected] bit.ly/2lHKzS5).