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  Web Book Home Page | Chemogenesis Main Index Foreword:  Chemogenesis & Chemical Education Part I   Atoms | Elements | Periodic Tables 1.1  Introduction to Chemogenesis 1.2  Nucleosynthesis of The Elements 1.3  The Segrè Chart 1.4  Quantum Numbers to Periodic Tables 1.5  The Periodic Table: What Is It Showing? 1.6  The INTERNET Database of Periodic Tables 1.7  Periodicity Part II   Structure | Bonding | Material Type 2.1  Mono-Bond Typed Binary Compounds 2.2  Binary Compound Synthlet 2.3  Electronegativity 2.4  van Arkel-Ketelaar Triangles of Bonding 2.5  Tetrahedra of Structure, Bonding & Material Type 2.6  Structure, Bonding & Material Synthlet 2.7  The Classification of Matter: Chemical Stuff Part III   Interactions | Reactions | Mechanisms 3.1  The Chemogenesis Analysis: An Overview 3.2  Lewis and Brønsted Models of Acidity 3.3  The Hard Soft [Lewis] Acid Base Principle 3.4  Main Group Elemental Hydrides 3.5  Five Hydrogen Probe Experiments 3.6  Congeneric Dots, Series & Planars 3.7  Quantifying Congeneric Behaviour 3.8  Ligand Replacement Congeneric Series 3.9  Congeneric Array Interactions 3.10  Emergence of Organic Chemistry 3.11  Congeneric Array Database 3.12  The Five Reaction Chemistries 3.13  Lewis Acids & Lewis Bases: A New Analysis 3.14  The Lewis Acid/Base Interaction Matrix 3.15  Patterns in Reaction Chemistry Poster 3.16  Lewis Acid/Base Interaction Matrix Database 3.17  Nucleophiles, Bases & The Fluoride Ion 3.18  Redox Chemistry 3.19  Redox Chemistry Synthlet 3.20  Radical Chemistry 3.21  Diradical Chemistry 3.22  Photochemistry 3.23  Species/Species Interactions 3.24  The Simplest Mechanistic Step: STAD 3.25  Unit & Compound Mechanistic Steps 3.26  The Mechanism Matrix 3.27  Addition To A Double Bond Synthlet 3.28  Pericyclic Reaction Chemistry Part IV   Chemical Theory 4.1  Why Do Chemical Reactions Occur? 4.2a  Thermochemistry: List Reactions Synthlet 4.2b  Thermochemistry: Play With Reaction Synthlet 4.2c  Thermochemistry: Bulid A Reaction Synthlet 4.3  Timeline of Structural Theory 4.4  Modern Lewis Theory 4.5  Valence Shell Electron Pair Repulsion: VSEPR 4.6  Diatomic Species by Molecular Orbital Theory 4.7  Polyatomic Species: Molecular Orbitals 4.8  Organic π-Systems 4.9  Functional Group Database Part V   Complexity & Emergence 5.1  Chemistry & Complexity: Systems 5.2  Linear Chemistry Systems 5.3  Chemical Systems Prone to Complexity Part VI   Extras 6.1  Chemogenesis Videos 6.2  Chemical Thesaurus Reaction Chemistry Database 6.3  Chemogenesis Paper 6.4  Electronegativity as a Basic Elemental Property 6.5  Literature References & Further Reading

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The INTERNET Database of Periodic Tables

There are thousands of periodic tables in web space, but this is the only comprehensive database of periodic tables & periodic system formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Mark R. Leach Ph.D.

Use the drop menus below to search & select from the more than 1300 Period Tables in the database: 

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Bury's Periodic Arrangement based on Langmuir's Theory

Using Langmuir's theory of the arrangement of electrons in atoms, J.Am.Chem.Soc., 41, 868 (1919), Charles R. Bury formulated a Periodic Arrangement: C.R. Bury, Langmuir's theory of the arrangement of electrons in atoms and molecules, J. Am. Chem. Soc., 43, 1602-1609 (1921).

This formulation seems to be the basis of Seaborg's formulations of 1939, 1942 & 1945.

Ricardo R Contreras, Avances en Química, 14(1), 41-60 (2019), has re-drawn the Bury PT and writes [Google Translate]:

"This version emphasizes periods and electronic configurations.

"There is a long period in which the metals of titanium to copper are found, which he calls transition elements. [This formulation] leaves spaces for the element atomic number 43, technetium, discovered by Perrier Segre in 1937; for the element 72, hafnium, discovered in 1932 by D. Coster and G. von Hevesey; for the element 87, the eka-cesium, which corresponds to francium (Fr), discovered in 1939 by the French physicist Marguerite C. Perey (1909-1975) and, at the end of the group of halogens, for the element 85, the astatine (At), synthesized for the first time in 1940 by American physicists Dale R. Corson (1914-2012), Kenneth R. MacKenzie (1912-2002) and the Italian-American physicist Emilio G. Segrè (1905-1989) at the University of Berkeley (California), bombarding bismuth with particles.

"Bury uses 'A' as the symbol argon, 'Nt' (niton) for radon (Rn) and, the symbol 'Bv' (brevium) for proctactinium (Pa)."

© Mark R. Leach Ph.D. 1999 –

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