| Journal Articles: 24 results |
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Do the Series in the Hydrogen Atom Spectrum Ever Overlap? David W. Ball
Addresses the question, do the series in the hydrogen atom spectrum ever overlap?
Ball, David W. J. Chem. Educ. 2006, 83, 883.
Atomic Properties / Structure |
Quantum Chemistry |
Spectroscopy |
Atomic Spectroscopy
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Probing the Orbital Energy of an Electron in an Atom James L. Bills
This article answers an appeal for simple theoretical interpretations of atomic properties. A theoretical snapshot of an atom, showing the screened nuclear charge and the electron to be ionized at its radius of zero kinetic energy, enables anyone to approximate its ionization energy.
Bills, James L. J. Chem. Educ. 2006, 83, 473.
Atomic Properties / Structure |
Main-Group Elements |
Periodicity / Periodic Table |
Physical Properties |
Quantum Chemistry |
Theoretical Chemistry
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Understanding and Interpreting Molecular Electron Density Distributions C. F. Matta and R. J. Gillespie
A simple introduction to the electron densities of molecules and how they can be analyzed to obtain information on bonding and geometry.
Matta, C. F.; Gillespie, R. J. J. Chem. Educ. 2002, 79, 1141.
Covalent Bonding |
Molecular Properties / Structure |
Quantum Chemistry |
Theoretical Chemistry |
Atomic Properties / Structure |
Molecular Modeling |
VSEPR Theory
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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
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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
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A Framework for Presenting the Modern Atom James J. Leary and Tadd C. Kippeny
A flow chart is presented that summarizes major empirical and theoretical accomplishments that contributed to the modern view of the atom. A chronology is included to show the time dependence of the various contributions. Suggestions are made about how this chart can be used in a variety of contexts as a framework for discussing science as a process.
Leary, James J.; Kippeny, Tadd C. J. Chem. Educ. 1999, 76, 1217.
Atomic Properties / Structure
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Lewis Structures Are Models for Predicting Molecular Structure, Not Electronic Structure Gordon H. Purser
This article argues against a close relationship between Lewis dot structures and electron structure obtained from quantum mechanical calculations. Lewis structures are a powerful tool for structure prediction, though they are classical models of bonding and do not predict electronic structure.
Purser, Gordon H. J. Chem. Educ. 1999, 76, 1013.
Molecular Properties / Structure |
Covalent Bonding |
Computational Chemistry |
Quantum Chemistry |
MO Theory |
Learning Theories |
Lewis Structures |
Molecular Modeling
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Chemistry of the Heaviest Elements-One Atom at a Time Darleane C. Hoffman and Diana M. Lee
A 75-year perspective of the chemistry of the heaviest elements, including a 50-year retrospective view of past developments, a summary of current research achievements and applications, and some predictions about exciting, new developments that might be envisioned within the next 25 years.
Hoffman, Darleane C.; Lee, Diana M. J. Chem. Educ. 1999, 76, 331.
Chromatography |
Instrumental Methods |
Isotopes |
Nuclear / Radiochemistry |
Separation Science |
Descriptive Chemistry |
Enrichment / Review Materials |
Atomic Properties / Structure
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The Crucial Role of Kinetic Energy in Interpreting Ionization Energies Frank Rioux and Roger L. DeKock
The experimental ratio of the ionization energies of H and He is 1.81. The authors show that it is not correct to interpret this ratio using a classical Coulombic potential energy model. Rather a quantum mechanical model is required in which both kinetic and potential energy play a role.
Rioux, Frank; DeKock, Roger L. J. Chem. Educ. 1998, 75, 537.
Atomic Properties / Structure |
Quantum Chemistry |
Theoretical Chemistry
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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
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Banish quantum mechanics from general chemistry? Schaefer, Henry F., III.
Is the subject of quantum mechanics unteach-able at the general level? This author disagrees with a previous article in which a case was made for removing quantum mechanics from general chemistry.
Schaefer, Henry F., III. J. Chem. Educ. 1993, 70, 782.
Atomic Spectroscopy |
Quantum Chemistry
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Electronegativity and atomic charge Reed, James L.
Because electronegativity is such a fundamental concept, it should be continually developed in sophistication throughout the curriculum; considers the energy function, atomic charges, and chemical reactivities.
Reed, James L. J. Chem. Educ. 1992, 69, 785.
Atomic Properties / Structure
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The nature of the chemical bond - 1992 Pauling, Linus
Commentary on errors in an earlier article on the nature of the chemical bond.
Pauling, Linus J. Chem. Educ. 1992, 69, 519.
Covalent Bonding |
Quantum Chemistry |
Atomic Properties / Structure |
Molecular Properties / Structure
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Simulation of Rutherford's experiment Bishop, Carl B.
Apparatus and procedure to simulate Rutherford's classic gold foil experiment.
Bishop, Carl B. J. Chem. Educ. 1990, 67, 889.
Atomic Properties / Structure
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How do electrons get across nodes? A problem in the interpretation of the quantum theory Nelson, P. G.
Suggested responses to the question "How do electrons get across nodes?".
Nelson, P. G. J. Chem. Educ. 1990, 67, 643.
Quantum Chemistry |
Atomic Properties / Structure
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The nature of the chemical bond--1990: There are no such things as orbitals! Ogilivie, J. F.
The author discusses the fundamental principles of quantum mechanics, the laws and theories, and the relationship of quantum-mechanics to atomic and molecular structure, as well as their relevance to chemical education.
Ogilivie, J. F. J. Chem. Educ. 1990, 67, 280.
Quantum Chemistry |
Atomic Properties / Structure |
Molecular Properties / Structure
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Transition metal configurations and limitations of the orbital approximation Scerri, Eric R.
Points out a misconception concerning the "building up" of the transition elements and their first ionization energies that is reinforced by many chemistry texts.
Scerri, Eric R. J. Chem. Educ. 1989, 66, 481.
Transition Elements |
Atomic Properties / Structure
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The theoretical emperor is wearing the proper clothing! A detailed defense of teaching quantum chemical ideas in undergraduate chemistry courses Edmiston, Clyde K.
The author of this provocative opinion piece defends current standard practice in teaching quantum chemistry.
Edmiston, Clyde K. J. Chem. Educ. 1988, 65, 219.
Quantum Chemistry
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Is the theoretical emperor really wearing any clothes? Sanderson, R. T.
The author asserts that general chemistry material both pushes material of doubtful value and omits material that is useful to many.
Sanderson, R. T. J. Chem. Educ. 1986, 63, 845.
Theoretical Chemistry |
Quantum Chemistry |
Atomic Properties / Structure |
Covalent Bonding |
Ionic Bonding |
Noncovalent Interactions
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Transparent 3-D models of electron probability distributions McClellan, A. L.
The authors describe transparent, three-dimensional models in which regions of high electron probability seem to float in space, without definite boundaries and with the "internal" variations of probability density clearly visible.
McClellan, A. L. J. Chem. Educ. 1970, 47, 761.
Atomic Properties / Structure |
Molecular Modeling
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Nuclear concepts as part of the undergraduate chemistry curriculum Caretto, A. A., Jr.; Sugihara, T. T.
It is proposed that there are distinct advantages to a freshman curriculum that introduces nuclear concepts simultaneously with the discussion of analogous atomic and molecular concepts.
Caretto, A. A., Jr.; Sugihara, T. T. J. Chem. Educ. 1970, 47, 569.
Nuclear / Radiochemistry |
Atomic Properties / Structure
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Atomic orbitals: Limitations and variations Cohen, Irwin; Bustard, Thomas
The three most widely used methods of arriving at a set of atomic orbitals afford respective hydrogen-like orbitals, self-consistent field orbitals, and various analytical approximations such as the Slater or Morse orbitals, all of which may differ greatly in shape and size from each other.
Cohen, Irwin; Bustard, Thomas J. Chem. Educ. 1966, 43, 187.
Atomic Properties / Structure |
Quantum Chemistry
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Contour surfaces for atomic and molecular orbitals Ogryzlo, E. A.; Porter, Gerald B.
Describes the determination of and illustrates contour surfaces for atomic and molecular orbitals.
Ogryzlo, E. A.; Porter, Gerald B. J. Chem. Educ. 1963, 40, 256.
Atomic Properties / Structure |
Molecular Properties / Structure |
Molecular Modeling
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The language of quantum mechanics Maybury, Robert H.
Presents background material for teaching students important concepts regarding quantum mechanics that forms the basis of much of chemistry.
Maybury, Robert H. J. Chem. Educ. 1962, 39, 367.
Quantum Chemistry
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