| Journal Articles: 25 results |
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Forecasting Periodic Trends: A Semester-Long Team Exercise for Nonscience Majors John Tierney
Teams of students in a course for nonscience majors identify trends among the properties of elements in the periodic table, use Excel to plot and produce best-fit equations to describe relationships among those properties, and apply the resulting formulas to predict and justify the properties of missing elements.
Tierney, John. J. Chem. Educ. 2008, 85, 1215.
Atomic Properties / Structure |
Computational Chemistry |
Main-Group Elements |
Nonmetals |
Periodicity / Periodic Table |
Metals |
Student-Centered Learning
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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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Trends in Ionization Energy of Transition-Metal Elements Paul S. Matsumoto
Examines why, as the number of protons increase along a row in the periodic table, the first ionization energies of the transition-metal elements are relatively steady, but that for the main-group elements increases.
Matsumoto, Paul S. J. Chem. Educ. 2005, 82, 1660.
Atomic Properties / Structure |
Periodicity / Periodic Table |
Transition Elements
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Discovery Videos: A Safe, Tested, Time-Efficient Way To Incorporate Discovery-Laboratory Experiments into the Classroom Lyubov Hoffman Laroche, Gary Wulfsberg, and Barbara Young
Using videos to bring discovery-laboratory experiments to classrooms with poor or no lab facilities or equipment, or activities that involve potentially hazardous materials.
Laroche, Lyubov Hoffman; Wulfsberg, Gary; Young, Barbara. J. Chem. Educ. 2003, 80, 962.
Periodicity / Periodic Table |
Enrichment / Review Materials
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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
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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
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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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Electronegativity and Bond Type: Predicting Bond Type Gordon Sproul
Important limitations with using electronegativity differences to determine bond type and recommendations for using electronegativities in general chemistry.
Sproul, Gordon. J. Chem. Educ. 2001, 78, 387.
Covalent Bonding |
Materials Science |
Periodicity / Periodic Table |
Ionic Bonding |
Atomic Properties / Structure |
Metallic Bonding
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Ionization Energies, Parallel Spins, and the Stability of Half-Filled Shells Peter Cann
Three methods for explaining the decrease in first ionization energies between group V and group VI elements are described and commented upon. The quantum mechanical origin of the unhelpful concept of half-shell stability is explained in terms of exchange energy, for which the alternative term parallel spin avoidance factor is suggested. It is recommended that for pre-university students the simplest explanation, in terms of Coulombic repulsion between two electrons occupying the same orbital, is adopted: it involves fewer difficult concepts than the other explanations and its predictions are no less accurate.
Cann, Peter. J. Chem. Educ. 2000, 77, 1056.
Atomic Properties / Structure |
Periodicity / Periodic Table |
Quantum Chemistry |
Theoretical Chemistry
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Why Gold and Copper Are Colored but Silver Is Not Ariel H. Guerrero, Héctor J. Fasoli, and José Luis Costa
Interpretation of the yellow color of gold based on an adequate external electronic configuration (s1d10/s2d9) and s and d sublevels close enough to allow transition between them to proceed significantly.
Guerrero, Ariel H.; Fasoli, Hctor J.; Costa, Jos Luis. J. Chem. Educ. 1999, 76, 200.
Periodicity / Periodic Table |
Metals |
Descriptive Chemistry
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Moseley's Work on X-Rays and Atomic Number C. W. Haigh
Explanation of the relationship between Moseley's work in determining atomic numbers, the spectrum of the hydrogen atom, the Bohr theory, and Slater's rules for screening constants.
Haigh, C. W. J. Chem. Educ. 1995, 72, 1012.
Enrichment / Review Materials |
Periodicity / Periodic Table |
Atomic Properties / Structure |
Quantum Chemistry
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How to get more from ionization energies in the teaching of atomic structure Mirone, Paolo
A wealth of experimental data could be exploited more extensively and profitably than what is presently done in the teaching of atomic structure.
Mirone, Paolo J. Chem. Educ. 1991, 68, 132.
Atomic Properties / Structure |
Periodicity / Periodic Table
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Designing a periodic table: A laboratory approach Irons, Mary E.
What follows is a laboratory approach to help students gain some insight to the relationship of the elements on the table and also to help students review the scientific method.
Irons, Mary E. J. Chem. Educ. 1989, 66, 155.
Periodicity / Periodic Table
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Periodic law (Curry,E.; Chandler, J.; Mackay, L.) Lechner, Joseph H.; Gardlund, Sharon L.
Two reviews of a software program which serves as a data base for 20 items of information on the first 103 elements.
Lechner, Joseph H.; Gardlund, Sharon L. J. Chem. Educ. 1988, 65, A333.
Periodicity / Periodic Table |
Descriptive Chemistry
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Principles of electronegativity Part I. General nature Sanderson, R. T.
The concept of electronegativity has been modified, expanded, and debated. The concept can be used to help students gain valuable insights and understanding of the cause-and-effect relationship between atomic structure and compound properties. This is the first in a series of articles that explores the important concept of electronegativity.
Sanderson, R. T. J. Chem. Educ. 1988, 65, 112.
Electrochemistry |
Periodicity / Periodic Table |
Noncovalent Interactions |
Atomic Properties / Structure |
Physical Properties |
Enrichment / Review Materials
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Periodic contractions among the elements: Or, on being the right size Mason, Joan
Contraction across the row, irregularities in the build up of the periodic table, the second row anomaly relativistic contraction and expansion among the heavier elements, post-transition anomaly, periodicities of physicochemical properties.
Mason, Joan J. Chem. Educ. 1988, 65, 17.
Descriptive Chemistry |
Periodicity / Periodic Table |
Atomic Properties / Structure
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Using chemistry's crystal ball Allen, Bill
An exercise requiring students to identify nine elements, each suggested by a set of four to six clues describing physical and chemical properties of an element.
Allen, Bill J. Chem. Educ. 1987, 64, 227.
Periodicity / Periodic Table |
Physical Properties |
Descriptive Chemistry |
Enrichment / Review Materials
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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
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Building a periodic table Fowler, Linda S.
The activity described in this paper yielded comments such as, "I've never had so much fun taking a test. That was great" and "That lady must be crazy - that was impossible". Student understanding of periodic trends are authentically challenged and assessed in this problem.
Fowler, Linda S. J. Chem. Educ. 1981, 58, 634.
Periodicity / Periodic Table
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Dramatic demonstrations for a large audience: The formation of hydroxyl ions in the reaction of sodium with water Hutton, Alan T.
This procedure allows the popular sodium-reacting-with-water reaction to be observable in large lecture theaters.
Hutton, Alan T. J. Chem. Educ. 1981, 58, 506.
Reactions |
Periodicity / Periodic Table
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Dramatic demonstrations for a large audience: The formation of hydroxyl ions in the reaction of sodium with water Hutton, Alan T.
This procedure allows the popular sodium-reacting-with-water reaction to be observable in large lecture theaters.
Hutton, Alan T. J. Chem. Educ. 1981, 58, 506.
Reactions |
Periodicity / Periodic Table
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Exchange stabilization and the variation of ionization energy in the pn and dn series Blake, Antony B.
This article is concerned with two types of ionizations that are of special importance to chemists. The author's main purpose is to clarify current textbook interpretations of the peculiar decrease in ionization energy following completion of a half-filled p or d shell.
Blake, Antony B. J. Chem. Educ. 1981, 58, 393.
MO Theory |
Atomic Properties / Structure |
Periodicity / Periodic Table |
Quantum Chemistry
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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
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Illuminated periodic table Cordes, A. W.
A picture of an illuminated periodic table in use at the University of Arkansas.
Cordes, A. W. J. Chem. Educ. 1964, 41, 189.
Periodicity / Periodic Table
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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
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