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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  What is Chemistry? (Workshop) 6.6  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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Periodic Tables from the year 2002:

Chinese Character Periodic Tables

Chinese character periodic tables, here, here & here:

Mathematicians

Periodic Table of Mathematicians. Click the elements to see info on famous number crunchers:

Corning Museum of Glass Periodic Table

A periodic table made from glassware at the Corning Museum of Glass:

Inorganic Chemist's Periodic Table

An Inorganic Chemist's Periodic Table by Geoff Rayner-Canham, here. This PT was used on the cover of Descriptive Inorganic Chemistry, Third Edition.

The major links in the Periodic Table are those of the Groups and Periods. There are other patterns:

• The (n) and (n+10) groups linkages (grey)
• The diagonal relationships (green)
• The "knights move" relationships (tan)
• The aluminum-iron link (red)
• The lanthanoid and actinoid relationships (grey)
• The "combo" elements (violet)
• The "pseudo" elements (blue)

System Québécium Periodic Table

Using Google Translate of this page:

"To establish a new classification system components, Pierre Demers was assumed that the electronic structure of the atom contains one of my all others according to the equation Z = 117 to Z = 1. It is taking my electrons and removing them from my material that can reproduce all the elements and thus repeat the structure of your table. That is why this new organization is called the System Québécium":

Protein Structure Periodic Tables

From a paper by W. R. Taylor, A 'Periodic Table' for Protein Structures, Nature, 2002 Apr 11;416(6881):657-60

Abstract:

Current structural genomics programs aim systematically to determine the structures of all proteins coded in both human and other genomes, providing a complete picture of the number and variety of protein structures that exist. In the past, estimates have been made on the basis of the incomplete sample of structures currently known. These estimates have varied greatly (between 1,000 and 10,000; see for example refs 1 and 2), partly because of limited sample size but also owing to the difficulties of distinguishing one structure from another. This distinction is usually topological, based on the fold of the protein; however, in strict topological terms (neglecting to consider intra-chain cross-links), protein chains are open strings and hence are all identical. To avoid this trivial result, topologies are determined by considering secondary links in the form of intra-chain hydrogen bonds (secondary structure) and tertiary links formed by the packing of secondary structures. However, small additions to or loss of structure can make large changes to these perceived topologies and such subjective solutions are neither robust nor amenable to automation. Here I formalize both secondary and tertiary links to allow the rigorous and automatic definition of protein topology.

This work has been developed by Efrosini Moutevelis and Derek N. Woolfson in their paper A Periodic Table of Coiled-Coil Protein Structures, J. Mol. Biol. (2009) 385, 726–732.

Abstract:

Coiled coils are protein structure domains with two or more ?-helices packed together via interlacing of side chains known as knob-into-hole packing. We analysed and classified a large set of coiled-coil structures using a combination of automated and manual methods. This led to a systematic classification that we termed a "periodic table of coiled coils", which we have made available here. In this table, coiled-coil assemblies are arranged in columns with increasing numbers of α-helices and in rows of increased complexity. The table provides a framework for understanding possibilities in and limits on coiled-coil structures and a basis for future prediction, engineering and design studies.

Personality Elements

By Frans Maan, a Periodic Table of Personality Elements. Click here for the full size pdf.

As Frans says in his email "Scaffolding integrating trait psychology, developmental psychology, homeopathy etc.":

Tetrahedral Twist: Chemistry Puzzle and Teaching Device

A twisting three dimensional puzzle apparatus for the study of chemistry and its history and based upon the Zmaczynski equilateral triangular model of the periodic table of the chemical elements. Each face of the pyramid has a series of equilateral shaped portions bearing portions of the periodic table of elements. The different segments can be rotated around in order to scramble the puzzle. Such portions can be constructed using same or similar technology that was used to design the Meffert PYRAMINX PUZZLE that is similar to the RUBIK'S CUBE design.

From a US Patent.

Discovery of Oganesson

Oganesson, atomic number 118, has a mass of 294 au.

Synthetic radioactive element.

Oganesson was first observed in 2002 by Y. Oganessian et al.

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© Mark R. Leach Ph.D. 1999 –

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