Periodic Table |
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| What is the Periodic Table Showing? | Periodicity |
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. The database holds information on periodic tables, the discovery of the elements, the elucidation of atomic weights and the discovery of atomic structure (and much, much more).
Periodic Tables from the year 2008 :
| Year: 2008 | PT id = 87, Type = formulation 3D spiral |
Rafael Poza's Elements and the Magnetosphere
| Year: 2008 | PT id = 88, Type = formulation 3D |
ADOMAH Tetrahedron
Valery Tsimmerman has developed various periodic table formulations, available at perfect perioidic table.com.
| Year: 2008 | PT id = 93, Type = non-chem |
Periodic Table for Black Hole Orbits
"We define a taxonomy of orbits that hinges on a correspondence between periodic orbits and rational numbers. The taxonomy defines the entire dynamics, including aperiodic motion, since every orbit is in or near the periodic set." Janna Levin, Gabe Perez-Giz (and New Scientist):
| Year: 2008 | PT id = 102, Type = formulation |
Bydgoszcz's Periodic Table
Bydgoszcz's Periodic Table, web site:
| Year: 2008 | PT id = 122, Type = misc |
Google Image Search Periodic Table
Davebug has made a periodic table using the top Google Image search result for each element. Cool and very www:
| Year: 2008 | PT id = 155, Type = formulation spiral 3D |
Tomás A. Carroll's Spherical & Russian Doll Formulations
Tomás A. Carroll has devised a spherical formulation of the Periodic Table, and from this a nested Russian Doll formulation.
Tomás writes: "I accept your veiled challenge that it is not possible to formulate a spherical periodic table and propose two solutions for your consideration. The EXCEL spreadsheet shows exactly how I transformed the quantum numbers from the standard 4D Cartesian coordinates to spherical coordinates in 3D, using two different centers. I included cylindrical coordinates too, just for fun."


| Year: 2008 | PT id = 156, Type = formulation 3D |
Pyramid (Stack) Periodic Table
The Janet Periodic Table of Elements (1928) may be re-arranged as a series of square matrices.
The matrices are of different sizes and each matrix organizes the atomic orbitals into square concentric rings. Each cell may be assigned an atomic number which also identifies a “most significant electron”. The matrices may be stacked vertically to form a periodic Pyramid Stack of Elements as shown below.
The sub-atomic particles may also be arranged as square matrices. These matrices may be stacked. Read more here.
Please send your comments to: rick_kingstone777@hotmail.com
| Year: 2008 | PT id = 159, Type = formulation spiral |
Angular Form of the Periodic Table by Kamal Akhtar
"The complete periodic table is consists of two circles, principal circle and auxiliary circle. The principal circle is consist of seven tracks (periods) and eighteen sectors (groups). The auxiliary circle is consist of only two tracks, inner track and outer track. There is no division of sectors in auxiliary circle." Read more in a word.doc. View the full size PT.
KAMAL AKHTAR
INSTITUTE OF NICE TEACHING EDUCATION AND LEARNING
1, RAJ COLONY, BEHIND J.V. JAIN INTER COLLEGE
OLD KALSIA ROAD, SAHARANPUR-247001 (U.P.), INDIA
| Year: 2008 | PT id = 165, Type = data |
The chemistry department at the University of Nottingham has produced a series of YouTube video information clips about the chemical elements:
| Year: 2008 | PT id = 167, Type = formulation spiral |
Jan Scholten's Periodic table (Spiral Format)
A spiral format periodic table by Jan Scholten:
| Year: 2008 | PT id = 175, Type = formulation spiral misc |
Spiral Periodic Table
A spiral periodic table available as a poster, binder, cup, T-shirt, etc. by Vectoria:
| Year: 2008 | PT id = 176, Type = non-chem |
Cartoon Characters
A Flickr page showing a periodic table of cartoon characters with clickable links:
| Year: 2008 | PT id = 197, Type = non-chem |
Vulgarity
A periodic table of vulgarity from The College Humor:
| Year: 2008 | PT id = 201, Type = review |
Periodic Table Radio Show "The Music of Matter"
Periodic Table Radio Show "The Music of Matter" featuring John Emsley, Oliver Sacks & Eric Scerri
| Year: 2008 | PT id = 203, Type = review |
Allperiodictables.com
Roy Alexander, inventor of the "Desk-Topper" 3-dimensional formulation has developed a rich periodic table resource.. available at Allperiodictables.com.
| Year: 2008 | PT id = 212, Type = formulation |
Trinity College Dublin Periodic Table
A periodic table from the Trinity College Dublin physics dept. website:
| Year: 2008 | PT id = 221, Type = misc non-chem |
Snelson Atom
"Kenneth Snelson's Portrait of an Atom is a multi-media artwork that [attempts to] describe the atom's electronic architecture. If you happen to have a rapid prototype printer this STL file can be downloaded free for creating a desktop model at any preferred size of the Snelson atom."

| Year: 2008 | PT id = 227, Type = review |
Chemistry In Its Element
Introducing Chemistry in its element, a tour of the periodic table.
A leading scientist or author tells the stories behind the elements in a five minute podcast.
Podcasts to Download:
etc...
| Year: 2008 | PT id = 243, Type = formulation |
Bernard Schaeffer's Quantum Mechanics Consistent Periodic Table
My graphic representation of the orbitals needed for the periodic table is without brilliant colors, but much simpler. It shows the nodes of vibration of the spherical resonator (a spherical musical instrument) also called spherical harmonics appearing in the spherical solution of the Schrödinger equation. It may be noticed that the atom is also a spherical resonator, not of sound but of the de Broglie waves.
The spherical harmonics (feminine word in french!) have been discovered by Legendre two centuries ago, see my book. Only the plane nodes of vibration are shown. The nodes of the orbitals are a 3D equivalent of the Chladni figures (also discovered two centuries ago) on a vibrating plate: "Aufbau" with spherical harmonics.
The random electronic exceptions in the subshells don't appear. The spherical nodes of the orbitals are represented only for the s subshells. This is a much simpler representation than the usual 3D representations. It can be used to represent the entire periodic table as I have shown earlier. The elements are in regularly increasing atomic numbers.
Bernard Schaeffer's Quantum Mechanics Consistent periodic table from here:

| Year: 2008 | PT id = 257, Type = non-chem |
School Projects
Jane Bush, a teacher at Frontier Trail Junior High School.
"Each year when we study periodic tables I ask my students to create their own periodic tables of ordinary objects. My rubric and directions are below. Also feel free to enjoy projects from past years."
| Year: 2008 | PT id = 258, Type = data |
Periodic Table X
Periodic Table X is a periodic table for the Macintosh.
| Year: 2008 | PT id = 265, Type = misc |
Polymer Periodic Table
"The Periodic Table of the elements by Mendeleev was a historic achievement in chemistry and enabled chemists to see the relationship between structure and properties of the basic elements. Polymers also have a strong relationship between structure and properties and this Periodic Table of Polymers is a first attempt to provide a simple codification of the basic polymer types and structures. The diversity of polymer types makes it impossible to include all of the variations in one simple table and this table only includes the most common polymers. At this stage the Table only includes the most common thermoplastics but it will be extended in the future to include thermosets and potentially rubbers and alloys/blends."

| Year: 2008 | PT id = 266, Type = review |
Elements Unearthed
The Elements Unearthed is a blog by David V Black concerning "Our Discovery and Usage of the Chemical Elements".
| Year: 2008 | PT id = 275, Type = non-chem |
Callan's Periodic Table of Investment Returns
"The first Callan Periodic Table of Investment Returns was published (and copyrighted) by Callan Associates, Inc. in 1999. The Table is updated each year and can be found (free of charge) on Callan's website. As the proud father of Callan's Periodic Table of Investment Returns, and the coiner of the name, I am happy to see it adopted by many in the investment industry, all we ask is for acknowledgment."
Jay Kloepfer

| Year: 2008 | PT id = 313, Type = formulation |
Nuevo Modelo Mathemático Tabla Periódica
Julio Antonio Gutiérrez Samanez presents his Periodic Table formulation ideas in a 2006 PDF paper (in Spanish):



| Year: 2008 | PT id = 331, Type = non-chem |
European Nations As Periodic Table
The Periodic Table of European Nations:
| Year: 2008 | PT id = 333, Type = misc review |
Braille Guidebook Interactive Periodic Table Study Set
Azer's Interactive Periodic Table Study Set is designed to make learning about the Periodic Table of the Elements accessible to students with visual impairments or blindness.
The tangible materials included with this study set complement APH's Periodic Table of the Elements Reference Chart and allow students to enhance their understanding of concepts consistent with the National Science Standards.
Inspired by Samir Azer, a science teacher at the Kentucky School for the Blind, this set can assist in the instruction and demonstration of concepts related to the arrangement of the periodic table, atomic structure, ionic and covalent bonding, and balancing of chemical equations to students who benefit from a hands-on, interactive model.
Special attention was given to make the materials tactually discriminable and visually appealing to the target population, yet appropriate for all students regardless of visual acuity:
| Year: 2008 | PT id = 338, Type = data misc |
Instruments, Periodic Table of
A periodic table of various scientific instruments and techniques from Thermo Scientific and C&EN.
Download, zoom in & explore the interesting pdf file:
| Year: 2008 | PT id = 349, Type = data |
Organometallic Periodic Table
Wikipedia has pages on many types of organometallic compound, and a periodic table for accessing these organometallic pages, such as the one below (which happens to be on the organotin page):
| Year: 2008 | PT id = 361, Type = formulation review |
Mathematical Formulas Describing the Sequences of the Periodic Table
Mathematical formulas describing all of the sequences of the chemical elements are derived from double tetrahedron face-centered cubic lattice model. More here.
J. Garai, Department of Earth Sciences, Florida International University. International Journal of Quantum Chemistry, Vol 108, 667-670 (2008):
| Year: 2008 | PT id = 402, Type = data |
Electron Slell Periodic Table
A Wikipedia Periodic Tables of the Elements showing the Electron Shells:
| Year: 2008 | PT id = 468, Type = formulation spiral 3D |
Teluric Helix from Gutierrez Samanez
The Teluric Helix from Gutierrez Samanez is inspired by the telluric helix Chancortois (1864) with the difference that the sequence of the elements are rolled into a cone shape rather than a cylinder:




| Year: 2008 | PT id = 656, Type = data |
American Mineralogist Crystal Structure Database Periodic Table
A periodic table front end to the American Mineralogist Crystal Structure Database.
Clicking on an element gives access to the database searches. Conveniently, sets of elements can be selected or excluded:
| Year: 2008 | PT id = 659, Type = misc |
f--l--A--r--k's Fractal Periodic Table
A fractal periodic table by f--l--A--r--k:
After nearly a year of work and research, the Periodic Table is complete.
I have endeavored to the best of my ability to accurately represent each element as a fractal. The table itself is up to date with current findings and research as of 2008.
Each element has been individually rendered at a resolution of 3200 x 2400, and is available for a full-view in my gallery. Every fractal was designed, composed, and rendered using Apophysis and then the final assembly done with Photoshop.
Many thanks go to Tony (~atd85) for his assistance in rendering quite a few of these elements, and to my wife for her inspiration and encouragement:
| Year: 2008 | PT id = 992, Type = misc |
Twin Vortex Theory
By consulting engineer Anthony H. Davis comes the Twin Vortex Theory of nuclear structure. Read more in the attached PDF and watch the embedded video below:



| Year: 2008 | PT id = 1302, Type = formulation |
Franklyn's Periodic Table
Franklyn writes on sciencemaddness.org: Electronic Orbital Periodicity Mendelevian grouping is only one possible organizational scheme, regardless of the schematic choice. A table is useful only to the extent that it provides easy reference to data and comparison. Most everyone who has considered arranging elements in tabular form has pondered what layout best serves the purpose. Below is a table I once made to determine the electronic shell and orbital structure of any element at a glance. Everything to the left and above the elements position indicates the complete full orbitals for those shells. Actually you can see the goup memebers run diagonally from upper left to lower right This arrangement shows that the progression of successive electrons is not straight forward with regard to placement within the atoms. The Mendelevian sequence begining with period 6 through the Lanthanides back to period 6 transition metals until Radon, continuing with period 7 ending with the first member of the Actinides, is as follows:
- shell 6, s orbital - Cesium, Barium (Cs, Ba)
- shell 5, d orbital - Lanthanum (La)
- shell 4, f orbital - Cerium to Lutecium (Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu)
- shell 5, d orbital - Hafnium to Mercury (Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg)
- shell 6, p orbital - Thallium to Radon (Tl, Pb, Bi, Po, At, Rn)
- shell 7, s orbital - Francium, Radium (Fr, Ra)
- shell 6, d orbital - Actinium (Ac)
- shell 5, f orbital - Thorium (Th)
Thanks to René Vernon for the tip!
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| What is the Periodic Table Showing? | Periodicity |
© Mark R. Leach Ph.D. 1999 –
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