The background color scheme of cells categorizes the 118 elements into four groups: (1) white indicates the element has no standard atomic weight, (2) blue indicates the element has only one isotope that is used to determine its standard atomic weight, which is given as a single value with an uncertainty, (3) yellow indicates the element has two or more isotopes that are used to determine its standard atomic weight, which is given as a single value with an uncertainty, and (4) pink indicates the element has a well-documented variation in its atomic weight, and the standard atomic weight is expressed as an interval.Īn element-by-element review accompanies the IPTEI and includes a chart of all known stable and radioactive isotopes for each element. Color-coded pie charts in each element cell display the stable isotopes and the relatively long-lived radioactive isotopes having characteristic terrestrial isotopic compositions that determine the standard atomic weight of each element. The IPTEI is intended to hang on the walls of chemistry laboratories and classrooms.Įach cell of the IPTEI provides the chemical name, symbol, atomic number, and standard atomic weight of an element. The IPTEI is modeled on the familiar Periodic Table of the Chemical Elements. eTOC Alert ‘Pure and Applied Chemistry’ – November 2023 Ībstract: The IUPAC Periodic Table of the Elements and Isotopes (IPTEI) was created to familiarize students, teachers, and non-professionals with the existence and importance of isotopes of the chemical elements.eTOC Alert ‘Pure and Applied Chemistry’ – December 2023.Green Chemistry for Life grants presented to Top Young Scientists.Teaching ethics and core values in chemistry education – Call for papers.IUPAC Green Book – New Abridged Version.Nominations Open for the 9th Polymer International-IUPAC Award.Gtsave(gt_final, filename = "periodic-table. # change footnote symbol (can't choose specifically those used on Wikipedia) Locations = cells_column_labels(columns = "12") Locations = cells_column_labels(columns = "3")įootnote = "Some authors treat Zn, Cd and Hg as transition metals.", (b) The last two members of the group are known as transition metals.", Table_ = "#FFFFFF",Ĭolumn_ = "#FFFFFF"įootnote = "(a) Whether group 3 is composed of -La-Ac or -Lu-Lr is under review by the IUPAC. # remove borders for non-cells places by putting them in white as "style = NULL" doesn't work # create markdown instruction to make numbers and abbreviations on separate lines So here it is! Nothing complicated, a bit tedious to make, but a nice introduction to this package. For reference, this is the table I tried to replicate. I stumbled upon a periodic table of elements, and thought it would be a good exercise to reproduce it, as I am not familiar with the gt package. So I was thinking I would not participate to this, but I tried to search "tables stats" online to see if something inspired me. Contrarily to the Shiny contest, I didn't have any idea for this contest as I rarely see beautiful tables that I would like to reproduce, and I don't need to create particularly complicated tables in my work.
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