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Journal Articles: 71 results
The Periodic Table: Facts or Committees?  William B. Jensen
I would like to offer two observations relative to the recent letter of Clark and White on the representation of the f-block elements in the periodic table that relate to some disturbing trends in the attitudes of the chemical community towards the nature and use of the periodic table┬Łattitudes that are implicit, though perhaps not intentionally so, in their letter.
Jensen, William B. J. Chem. Educ. 2008, 85, 1491.
Periodicity / Periodic Table
Elemental Chem Lab  Antonio Joaquín Franco Mariscal
Three puzzles use the symbols of 45 elements to spell the names of 32 types of laboratory equipment usually found in chemical labs.
Franco Mariscal, Antonio Joaquín. J. Chem. Educ. 2008, 85, 1370.
Laboratory Equipment / Apparatus |
Nomenclature / Units / Symbols |
Periodicity / Periodic Table
The Different Periodic Tables of Dmitrii Mendeleev  Michael Laing
Between 1869 and 1905 the Russian chemist Dmitrii Mendeleev published several tables with different arrangements of the chemical elements. Four of these are compared with periodic tables by Russian scientists from 1934 and 1969.
Laing, Michael. J. Chem. Educ. 2008, 85, 63.
Descriptive Chemistry |
Enrichment / Review Materials |
Periodicity / Periodic Table
Mistake of Having Students Be Mendeleev for Just a Day  Brett Criswell
This article discusses several conceptual features underlying a genuine understanding of the periodic table and describes a set of activities focused on promoting such awareness in students using the FERA (focus, explore, reflect, and apply) learning cycle model.
Criswell, Brett. J. Chem. Educ. 2007, 84, 1140.
Periodicity / Periodic Table
Primo Levi and The Periodic Table: Teaching Chemistry Using a Literary Text  Viktoria Klara Lakatos Osorio, Peter Wilhelm Tiedemann, and Paulo Alves Porto
Describes the use of a problem-solving activity with first-year undergraduate students based on an excerpt from Primo Levi's book The Periodic Table.
Osorio, Viktoria Klara Lakatos; Tiedemann, Peter Wilhelm; Porto, Paulo Alves. J. Chem. Educ. 2007, 84, 775.
Metals |
Periodicity / Periodic Table |
Reactions |
Student-Centered Learning
The Origin of the s, p, d, f Orbital Labels  William B. Jensen
Traces the origins of the s, p, d, and f orbital labels.
Jensen, William B. J. Chem. Educ. 2007, 84, 757.
Atomic Properties / Structure |
Periodicity / Periodic Table |
Spectroscopy
Dulong and Petit's Law: We Should Not Ignore Its Importance  Mary Laing and Michael Laing
This article describes two student exercises: the determination of the specific heat of a metal and hence its atomic weight and a graphical study of specific heat versus atomic weight for different groups of metals and the confirmation of Dulong and Petit's law.
Laing, Mary; Laing, Michael. J. Chem. Educ. 2006, 83, 1499.
Calorimetry / Thermochemistry |
Heat Capacity |
Metals |
Periodicity / Periodic Table
Are Some Elements More Equal Than Others?  Ronald L. Rich
Presents a new periodic chart with 18 columns but no interruptions of atomic numbers at Lanthanum or Actinum, and no de-emphasis of elements 57-71 or 89-103 by seeming to make footnotes of them. It shows some elements more than once in order to illuminate multiple relationships in chemical behavior.
Rich, Ronald L. J. Chem. Educ. 2005, 82, 1761.
Atomic Properties / Structure |
Descriptive Chemistry |
Inner Transition Elements |
Main-Group Elements |
Nomenclature / Units / Symbols |
Oxidation State |
Periodicity / Periodic Table |
Transition Elements
Fully Exploiting the Potential of the Periodic Table through Pattern Recognition  Emeric Schultz
This article describes an approach to learning chemical concepts that uses simple rules and pattern recognition to generate the formulas of the oxides and hydrides of selected elements.
Schultz, Emeric. J. Chem. Educ. 2005, 82, 1649.
Enrichment / Review Materials |
Periodicity / Periodic Table |
Student-Centered Learning
Boron Clusters Come of Age  Russell N. Grimes
This article attempts to summarize the current state of the art, illustrated by examples selected to convey some of the excitement and possibilities for future exploitation of these remarkable compounds.
Grimes, Russell N. J. Chem. Educ. 2004, 81, 657.
Main-Group Elements |
Materials Science |
Organometallics
The "Dissing" of Niels Bohr  Andrew R. Peterson
Contributions made by Bohr to the Periodic Law.
Peterson, Andrew R. J. Chem. Educ. 2004, 81, 33.
Molecular Modeling |
Quantum Chemistry |
Atomic Properties / Structure |
Periodicity / Periodic Table
The Proper Place for Hydrogen in the Periodic Table  Marshall W. Cronyn
Case for hydrogen to be placed above carbon in the periodic table.
Cronyn, Marshall W. J. Chem. Educ. 2003, 80, 947.
Main-Group Elements |
Periodicity / Periodic Table
The Periodic Table as a Mnemonic Device for Writing Electronic Configurations  Suzanne T. Mabrouk
Method for using the periodic table as a mnemonic device for writing electronic configurations.
Mabrouk, Suzanne T. J. Chem. Educ. 2003, 80, 894.
Atomic Properties / Structure |
Nonmajor Courses |
Periodicity / Periodic Table
Find the Symbols of Elements Using a Letter Matrix Puzzle  V. D. Kelkar
Letter matrix puzzle using chemical symbols.
Kelkar, V. D. J. Chem. Educ. 2003, 80, 411.
Periodicity / Periodic Table |
Main-Group Elements |
Transition Elements |
Nomenclature / Units / Symbols |
Enrichment / Review Materials
The Mole, the Periodic Table, and Quantum Numbers: An Introductory Trio  Mali Yin and Raymond S. Ochs
Suggestions for presenting and developing three key ideas in chemistry: the mole, the periodic table, and quantum numbers.
Yin, Mali; Ochs, Raymond S. J. Chem. Educ. 2001, 78, 1345.
Nonmajor Courses |
Periodicity / Periodic Table |
Stoichiometry |
Atomic Properties / Structure
Melting Point, Density, and Reactivity of Metals  Michael Laing
Using melting points and densities to the predict the relative reactivities of metals.
Laing, Michael. J. Chem. Educ. 2001, 78, 1054.
Descriptive Chemistry |
Metals |
Periodicity / Periodic Table |
Physical Properties |
Reactions |
Thermodynamics |
Calorimetry / Thermochemistry |
Electrochemistry
Screening Percentages Based on Slater Effective Nuclear Charge as a Versatile Tool for Teaching Periodic Trends  Kimberley A. Waldron, Erin M. Fehringer, Amy E. Streeb, Jennifer E. Trosky, and Joshua J. Pearson
Using charge shielding to identify and explain trends within the periodic table.
Waldron, Kimberley A.; Fehringer, Erin M.; Streeb, Amy E.; Trosky, Jennifer E.; Pearson, Joshua J. J. Chem. Educ. 2001, 78, 635.
Periodicity / Periodic Table |
Theoretical Chemistry |
Atomic Properties / Structure
Using History to Teach Scientific Method: The Role of Errors  Carmen J. Giunta
This paper lists five kinds of error with examples of each from the development of chemistry in the 18th and 19th centuries: erroneous theories (phlogiston), seeing a new phenomenon everywhere one seeks it (Lavoisier and the decomposition of water), theories erroneous in detail but nonetheless fruitful (Dalton's atomic theory), rejection of correct theories (Avogadro's hypothesis), and incoherent insights (J. A. R. Newlands' classification of the elements).
Giunta, Carmen J. J. Chem. Educ. 2001, 78, 623.
Nonmajor Courses |
Periodicity / Periodic Table |
Kinetic-Molecular Theory |
Stoichiometry
A Living Periodic Table  James L. Marshall
A complete "living" periodic table of samples of all the elements through uranium is described. In many instances a sample of an element is accompanied by a direct commercial application. This periodic table is very helpful in enabling the student to gain a hands-on understanding of the true nature of the elements--as opposed to the more usual compilation of mere abstract data.
Marshall, James L. J. Chem. Educ. 2000, 77, 979.
Main-Group Elements |
Periodicity / Periodic Table |
Transition Elements |
Descriptive Chemistry |
Applications of Chemistry
Elementary "Who Am I" Riddles  R. Aldrin Denny, R. Lakshmi, H. Chitra, and Nandini Devi
Elementary riddles that highlight some properties of elements and their compounds and may provide a change of pace in a freshman chemistry lecture or in a quiz.
Denny, R. Aldrin; Lakshmi, R.; Chitra, H.; Devi, Nandini. J. Chem. Educ. 2000, 77, 477.
Periodicity / Periodic Table
A Different Approach to a 3-D Periodic System Including Stable Isotopes  Alexandru T. Balaban
On a Periodic System with the two dimensions represented by Periods and Columns, one may stack each stable nuclide of an element along the third dimension. This "Downtown Area" representation is helpful for interconnecting concepts of: element, isotope or nuclide (stable vs. radioactive), atomic weight, atomic number, mass number.
Balaban, Alexandru T. J. Chem. Educ. 1999, 76, 359.
Periodicity / Periodic Table |
Isotopes |
Nuclear / Radiochemistry
Periodic Tables of Elemental Abundance  Steven I. Dutch
Patterns of element abundance in the sun, chondrite meteorites, and the continental crust of the earth and the moon are portrayed on a periodic table. The abundance of each element is represented by a circle whose radius is proportional to the logarithm of the element's abundance.
Dutch, Steven I. J. Chem. Educ. 1999, 76, 356.
Astrochemistry |
Geochemistry |
Periodicity / Periodic Table
In Defense of Quantum Numbers  Robert M. Richman
A recent paper has argued that the derivation of the periodic table using quantum numbers is a topic that should be eliminated from introductory chemistry courses because it is too abstract, mysterious, and esoteric. A rebuttal is offered based on the claim that it would be wrong to omit discussions of the inductive approach of Mendeleev and the deductive approach initiated by Schroedinger, because they compose the consummate example of that interaction of empirical and rational epistemologies that defines how chemists think.
Richman, Robert M. J. Chem. Educ. 1998, 75, 536.
Learning Theories |
Periodicity / Periodic Table |
Quantum Chemistry
Die Chemischen Elemente: Ein Streifzug durch das Periodensystem by Lucien F. Trueb  reviewed by George B. Kauffman
A Ramble through the Periodic System is divided into two parts: Part I, "The Conception of the Elements and the Periodic System" (14 pp), and Part II, "The Elements" (381 pp). The first considers the idea of the elements from Democritus to Lavoisier, the discovery and development of the periodic system, and the origin of the elements, including nucleosynthesis. The second, consisting of 23 chapters, describes each of the elements from hydrogen and its isotopes (16 pp) to the heaviest of the known transactinides (element 112).
Kauffman, George B. J. Chem. Educ. 1997, 74, 344.
Periodicity / Periodic Table
Bond Energy Data Summarized  Kildahl, Nicholas K.
A periodic table that summarizes a variety of bond energy information.
Kildahl, Nicholas K. J. Chem. Educ. 1995, 72, 423.
Periodicity / Periodic Table |
Covalent Bonding |
Ionic Bonding
Studying Activity Series of Metals: Using Deep-Learning Strategies  Hoon, Tien-Ghun; Goh, Ngoh-Khang; Chia, Lian-Sai
Uses a unit of the activity series of metals to demonstrate the teaching of the interrelationships between chemical concepts by linking new information to previously known material.
Hoon, Tien-Ghun; Goh, Ngoh-Khang; Chia, Lian-Sai J. Chem. Educ. 1995, 72, 51.
Metals |
Periodicity / Periodic Table |
Transition Elements
The Illustrated Periodic Table  Kotz, John C.; Moore, John W.; Schatz, Paul F.
The Illustrated Periodic Table provides means for exploring the properties of chemical elements using a graphics-oriented environment.
Kotz, John C.; Moore, John W.; Schatz, Paul F. J. Chem. Educ. 1994, 71, 1063.
Periodicity / Periodic Table
The Periodic Table of Atoms: Arranging the Elements by a Different Set of Rules  Treptow, Richard S.
The periodic table found in this paper is based on the properties of free gaseous atoms rather than atoms in a chemical environment.
Treptow, Richard S. J. Chem. Educ. 1994, 71, 1007.
Periodicity / Periodic Table |
Atomic Properties / Structure
On Using Incomplete Theories as Cataloging Schemes: Aufbau, Abbau, and VSEPR  Tykodi, R. J.
How to restructure as cataloging schemes the aufbau and abbau procedures for obtaining the ground-state electronic structures of atoms and monatomic ions.
Tykodi, R. J. J. Chem. Educ. 1994, 71, 273.
VSEPR Theory |
Atomic Properties / Structure |
Periodicity / Periodic Table |
Molecular Properties / Structure
Visualization of the Abstract in General Chemistry  Paselk, Richard A.
A series of software programs for beginning chemistry, including a series of modules addressing the fundamental phenomena associated with bonding, the microscopic phenomena underlying commonly observed systems, and a reference periodic table.
Paselk, Richard A. J. Chem. Educ. 1994, 71, 225.
Covalent Bonding |
Ionic Bonding |
Metallic Bonding |
Periodicity / Periodic Table
"Qual": From a different viewpoint  Laing, Michael
Author contends that traditional teaching techniques in inorganic chemistry need to be reconsidered.
Laing, Michael J. Chem. Educ. 1993, 70, 666.
Periodicity / Periodic Table |
Metals |
Qualitative Analysis |
Coordination Compounds
A procedure for determining formulas for the simple p-block oxoacids  Kildahl, Nicholas K.
Formulae for p-block oxoacids baffle high school and undergraduate students. This paper presents a procedure for developing these formulas based on the concept of total coordination number of the central atom in the molecule or ion.
Kildahl, Nicholas K. J. Chem. Educ. 1991, 68, 1001.
Acids / Bases |
Periodicity / Periodic Table
Applying KC?DISCOVERER in the introductory chemistry laboratory  Furstenau, Ronald P.; Amend, John R.
115. Bits and pieces, 44. KC?DISCOVERER contains a wide variety of physical and chemical properties of the elements.
Furstenau, Ronald P.; Amend, John R. J. Chem. Educ. 1990, 67, 500.
Periodicity / Periodic Table
Let us make the table periodic  Campbell, J. Arthur
Making the periodic table look periodic.
Campbell, J. Arthur J. Chem. Educ. 1989, 66, 739.
Periodicity / Periodic Table
The new format for the periodic table of elements: Concerns of a high school chemistry teacher  Krishnan, C. V.
Change in the format used to designate subgroups of elements in the periodic table will add to the confusion of high school students.
Krishnan, C. V. J. Chem. Educ. 1987, 64, 558.
Periodicity / Periodic Table
Features associated with chemical elements (FACES)  Larsen, Russell D.
72. Chemical education is in need of new and better visual representation for correlating and condensing the vast amount of experimental data that has been accumulated for chemical and physical phenomenon. The periodic table in this note represents these properties through various facial features, allowing for an identification of patterns in the table.
Larsen, Russell D. J. Chem. Educ. 1986, 63, 505.
Periodicity / Periodic Table
Exploring chemistry by computer: KC? Discoverer   Feng, Aw; Moore, John W.
70. Bits and pieces, 28. This program provides students with a computer-searchable handbook of chemical facts for all the elements.
Feng, Aw; Moore, John W. J. Chem. Educ. 1986, 63, 327.
Descriptive Chemistry |
Periodicity / Periodic Table
The transuranium elements  Seaborg, Glenn T.
History of the discovery of the transuranium elements.
Seaborg, Glenn T. J. Chem. Educ. 1985, 62, 463.
Transition Elements |
Metals |
Periodicity / Periodic Table
Groups and subgroups in the periodic table of the elements: A proposal of modification in the nomenclature  Araneo, Antonio
A proposal to eliminate the "A" and "B" designations of subgroups and replace them with letters referring directly to the electronic structures of atoms.
Araneo, Antonio J. Chem. Educ. 1980, 57, 784.
Periodicity / Periodic Table |
Nomenclature / Units / Symbols |
Atomic Properties / Structure
An element a day keeps theory at bay  Potts, Richard A.
Incorporating a brief discussion of the chemistry of a different element into each day's lecture.
Potts, Richard A. J. Chem. Educ. 1980, 57, 290.
Periodicity / Periodic Table |
Descriptive Chemistry
What is an element?  Kolb, Doris
Reviews the history of the discovery, naming, and representation of the elements; the development of the spectroscope and the periodic table; radioactive elements and isotopes; allotropes; and the synthesis of future elements.
Kolb, Doris J. Chem. Educ. 1977, 54, 696.
Periodicity / Periodic Table |
Nuclear / Radiochemistry |
Nomenclature / Units / Symbols |
Isotopes
Chemical aspects of Bohr's 1913 theory  Kragh, Helge
The chemical content of Bohr's 1913 theory has generally been neglected in the treatises on the history of chemistry; this paper regards Bohr as a theoretical chemist and discusses the chemical aspects of his atomic theory.
Kragh, Helge J. Chem. Educ. 1977, 54, 208.
Periodicity / Periodic Table |
Atomic Properties / Structure |
Molecular Properties / Structure |
Covalent Bonding |
Theoretical Chemistry
The experimental values of atomic electron affinities. Their selection and periodic behavior  Chen, E. C. M.; Wentworth, W. E.
Presents experimental values of atomic electron affinities and discusses their determination.
Chen, E. C. M.; Wentworth, W. E. J. Chem. Educ. 1975, 52, 486.
Atomic Properties / Structure |
Periodicity / Periodic Table
The science of chemistry: periodic properties and chemical behavior (Howald, Reed A.; Manch, Walter A.)  Leonard, Jack E.

Leonard, Jack E. J. Chem. Educ. 1972, 49, A698.
Periodicity / Periodic Table
The periodic system of chemical elements: A history of the first hundred years (van Spronsen, J. W.)  Oesper, Ralph. E.

Oesper, Ralph. E. J. Chem. Educ. 1970, 47, A856.
Periodicity / Periodic Table
The periodic systems of D. I. Mendeleev and problems of nuclear chemistry  Gol'danskii, V. I.; translated by Avakian, Peter
Examines the acquisition and identification of new chemical elements and the structure of the eighth period of the periodic table.
Gol'danskii, V. I.; translated by Avakian, Peter J. Chem. Educ. 1970, 47, 406.
Nuclear / Radiochemistry |
Atomic Properties / Structure |
Periodicity / Periodic Table |
Metals
An electronegativity spectrum for the periodic table  Guenther, W. B.
This periodic table uses a spectrum of colors coded to electronegativity values and gives equal legitimacy to s, p, d, and f blocks of elements.
Guenther, W. B. J. Chem. Educ. 1970, 47, 317.
Atomic Properties / Structure |
Periodicity / Periodic Table
The noble gases and the periodic table: Telling it like it was  Wolfenden, John H.
It is instructive to discover that many great scientists have reported erroneous observations as well as mistaken interpretations of experimental data.
Wolfenden, John H. J. Chem. Educ. 1969, 46, 569.
Gases |
Periodicity / Periodic Table
Chemical queries. Especially for introductory chemistry teachers  Young, J. A.; Malik, J. G.; Haight, Gilbert P., Jr.; Rechnitz, Garry A.
(1) Suggestions for presenting the relationship between the Fahrenheit and Celsius temperature scales. (2) Why are 4s rather than 3d electrons involved in the first and second ionizations of the first row transition elements? - answer by Haight. (3) The basis for the mnemonic ordering of atomic orbitals. (4) What is a liquid-liquid membrane electrode? Is it the same as an ion-selective electrode? - answer by Rechnitz.
Young, J. A.; Malik, J. G.; Haight, Gilbert P., Jr.; Rechnitz, Garry A. J. Chem. Educ. 1969, 46, 444.
Nomenclature / Units / Symbols |
Atomic Properties / Structure |
Transition Elements |
Periodicity / Periodic Table |
Electrochemistry |
Ion Selective Electrodes |
Membranes
The use of tables of data in teaching: The students discover laws about ionization potentials  Haight, G. P., Jr.
Students are asked to see what they can discover in a table of ionization potentials of the elements like that presented in most general chemistry textbooks.
Haight, G. P., Jr. J. Chem. Educ. 1967, 44, 468.
Atomic Properties / Structure |
Periodicity / Periodic Table
Electronegativities and group IVA chemistry  Payne, Dwight A., Jr.; Fink, Frank Hall
The teacher of inorganic chemistry should present the representative elements of group IVA and their properties as an intellectual and empirical form of investigation rather than as a mere collection of information.
Payne, Dwight A., Jr.; Fink, Frank Hall J. Chem. Educ. 1966, 43, 654.
Atomic Properties / Structure |
Periodicity / Periodic Table
Letters  Zuckerman, J. J.
Comments on the controversy concerning which element is top - carbon or hydrogen.
Zuckerman, J. J. J. Chem. Educ. 1965, 42, 457.
Periodicity / Periodic Table
A clockwise spiral system of the chemical elements  Griff, H. K.
Presents a spiral periodic table.
Griff, H. K. J. Chem. Educ. 1964, 41, 191.
Periodicity / Periodic Table
A rational periodic table  Sanderson, R. T.
Presents one author's attempt to bring greater rationality to the organization of the elements.
Sanderson, R. T. J. Chem. Educ. 1964, 41, 187.
Periodicity / Periodic Table
The chemistry of the noble gases  Hyman, Herbert H.
Summarizes the chemistry of the noble gases and their bond-forming abilities.
Hyman, Herbert H. J. Chem. Educ. 1964, 41, 174.
Gases |
Main-Group Elements |
Covalent Bonding
Periodic classification of the elements  Redfern, J. P., Salmon, J. E.
Presents a periodic organization that takes into account the dual nature of the elements hydrogen, thorium, protactinium, and uranium.
Redfern, J. P., Salmon, J. E. J. Chem. Educ. 1962, 39, 41.
Periodicity / Periodic Table
A complete table of electronegativities  Little, Elbert J., Jr.; Jones, Mark M.
Provides a complete periodic table of electronegativity values.
Little, Elbert J., Jr.; Jones, Mark M. J. Chem. Educ. 1960, 37, 231.
Periodicity / Periodic Table |
Atomic Properties / Structure
Models for demonstrating electronegativity and "partial charge"  Sanderson, R. T.
Describes a three-dimensional set of atomic models arranged periodically to illustrate trend in electronegativity and the use of molecular models to illustrate important concepts in general chemistry.
Sanderson, R. T. J. Chem. Educ. 1959, 36, 507.
Atomic Properties / Structure |
Periodicity / Periodic Table |
Molecular Modeling |
Molecular Properties / Structure |
Crystals / Crystallography |
Nonmetals
The atomic form periodic table  Strong, Frederick C.
Presents an "atomic form" of the periodic table, which offers some advantages to the standard organization.
Strong, Frederick C. J. Chem. Educ. 1959, 36, 344.
Periodicity / Periodic Table
A demonstration model illustrating the aufbau principle  Everett, D. H.
Describes the construction of a physical device capable of illustrating the relationship between the relative energies of electron orbitals in many-electron atoms, the electronic structure of atoms, and the periodic table.
Everett, D. H. J. Chem. Educ. 1959, 36, 298.
Atomic Properties / Structure |
Periodicity / Periodic Table
A schematic representation of valence  Sanderson, R. T.
This paper describes a new chart representing the valence structure of atoms; by studying this chart, with the help of a few simple rules, students of elementary chemistry can acquire a useful understanding of chemical combination.
Sanderson, R. T. J. Chem. Educ. 1958, 35, 541.
Atomic Properties / Structure |
Periodicity / Periodic Table |
Enrichment / Review Materials |
Transition Elements |
Metals |
Nonmetals
Teaching electron configurations  Eichinger, Jack W., Jr.
Time can be saved and confusion avoided by developing a systematic chart of the elements based on the energy levels of atomic orbitals very early in the general college chemistry course.
Eichinger, Jack W., Jr. J. Chem. Educ. 1957, 34, 504.
Atomic Properties / Structure |
Periodicity / Periodic Table
A periodic table and new periodic functions  Szabo, Z. G.; Lakatos, B.
A theoretically correct yet simple periodic system may be obtained by rearranging the long periodic table in such a way that the inert gases are situated in the middle.
Szabo, Z. G.; Lakatos, B. J. Chem. Educ. 1957, 34, 429.
Periodicity / Periodic Table
The fable of the atomic theater  Kerker, Milton
Organizes the elements in a periodic sequence resembling seats in a theater.
Kerker, Milton J. Chem. Educ. 1957, 34, 32.
Atomic Properties / Structure |
Periodicity / Periodic Table
A periodic table: The "Aufbauprinzip" as a basis for classification of the elements  Longuet-Higgins, H. C.
This note recommends a presentation of the periodic table designed to show as directly as possible how the place of an element in the table is related to the electronic structure of the atom.
Longuet-Higgins, H. C. J. Chem. Educ. 1957, 34, 30.
Periodicity / Periodic Table |
Atomic Properties / Structure
A new periodic chart with electronegativities  Sanderson, R. T.
This paper describes a new chart that has been designed to portray clearly and vividly patterns in relative atomic radius, electronic configuration, and electronegativity.
Sanderson, R. T. J. Chem. Educ. 1956, 33, 443.
Periodicity / Periodic Table |
Atomic Properties / Structure
A new periodic table based on the energy sequence of atomic orbitals  Walker, W. R.; Curthoys, G. C.
Since the theory of atomic and molecular orbitals has proven to be of such value in interpreting the data of inorganic chemistry, it is hoped that a new periodic table based on the energy sequence of atomic orbitals will be an aid to the further systematizing of chemical knowledge.
Walker, W. R.; Curthoys, G. C. J. Chem. Educ. 1956, 33, 69.
Periodicity / Periodic Table |
Atomic Properties / Structure
The periodic table of elements  Chaverri, Gil R.
Suggestion for improving the organization of the periodic table for pedagogical purposes.
Chaverri, Gil R. J. Chem. Educ. 1953, 30, 632.
Periodicity / Periodic Table
A space model of the periodic system of elements  Clauson, Jennie E.
Illustrates a three-dimensional model of the periodic system of elements.
Clauson, Jennie E. J. Chem. Educ. 1952, 29, 250.
Periodicity / Periodic Table |
Atomic Properties / Structure
The periodic table: The 6d-5f mixed transition group  Coryell, Charles D.
With relatively few modifications, the Bohr-type periodic table presented by Glocker and Popov can be made to reflect more instructively the rather complex relationships obtained in the neighborhood of the 4f or gadolinium transition group and, more importantly, in the 6d-5f sequence extending from actinium through the region of uranium and the synthetic earths to element 103.
Coryell, Charles D. J. Chem. Educ. 1952, 29, 62.
Periodicity / Periodic Table |
Transition Elements |
Atomic Properties / Structure
The lanthanide contraction as a teaching aid  Keller, R N.
This paper presents a modified form of the atomic volume curve that illustrates graphically the lanthanide contraction; a number of chemical consequences of this effect are also discussed.
Keller, R N. J. Chem. Educ. 1951, 28, 312.
Transition Elements |
Periodicity / Periodic Table