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Journal Articles: 27 results
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
The KLM-Shell Labels  William B. Jensen
In response to a reader's inquiry, this column traces the origins of the K, L, M labels for the shells of the Bohr atom.
Jensen, William B. J. Chem. Educ. 2003, 80, 996.
Atomic Properties / Structure
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
The Mendeleev-Seaborg Periodic Table: Through Z = 1138 and Beyond  Paul J. Karol
Extending the periodic table to very large atomic numbers and its implications for the organization of the periodic table, consideration of relativistic effects, and the relative stability of massive and supermassive atomic nuclei.
Karol, Paul J. J. Chem. Educ. 2002, 79, 60.
Atomic Properties / Structure |
Nuclear / Radiochemistry |
Periodicity / Periodic Table |
Astrochemistry
Nucleogenesis! A Game with Natural Rules for Teaching Nuclear Synthesis and Decay  Donald J. Olbris and Judith Herzfeld
Nucleogenesis! is a simple and engaging game designed to introduce undergraduate physics or chemistry students to nuclear synthesis and decay by simulation of these processes. By playing the game, students become more familiar with nuclear reactions and the "geography" of the table of isotopes.
Olbris, Donald J.; Herzfeld, Judith. J. Chem. Educ. 1999, 76, 349.
Isotopes |
Nuclear / Radiochemistry |
Nonmajor Courses
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
Modeling Nuclear Decay: A Point of Integration between Chemistry and Mathematics  Kent J. Crippen and Robert D. Curtright
A four-part activity utilizing a graphing calculator to investigate nuclear stability is described. Knowledge acquired through the activity provides background for answering the societal question of using nuclear materials for energy production.
Crippen, Kent J.; Curtright, Robert D. J. Chem. Educ. 1998, 75, 1434.
Nuclear / Radiochemistry |
Atomic Properties / Structure |
Chemometrics
Radioactivity in Everyday Life  S. G. Hutchison, F. I. Hutchison
This paper discusses the terminology appropriate to radiation exposure and dose, the three sources of natural background radiation (cosmic radiation, cosmogenic radiation, and terrestrial radiation), and several radioactive isotopes that are significant contributors to the radiation exposure received by individuals.
Hutchison, S. G.; Hutchison, F. I. J. Chem. Educ. 1997, 74, 501.
Learning Theories |
Nuclear / Radiochemistry |
Isotopes |
Consumer Chemistry
Electron Affinities of the Alkaline Earth Metals and the Sign Convention for Electron Affinity  John C. Wheeler
It has been known since 1987, both theoretically and experimentally, that the ion Ca- is stable. It is now certain that Sr-, Ba-, and Ra- are also stable, and accurate values for the electron affinities of Ca-, Sr-, and Ba- have been determined. Recommended values for these electron affinities, in the units commonly employed in introductory texts and with the sign convention used here, are 2.37, 5.03, and 13.95 kJ/mol for Ca, Sr, and Ba, respectively.
Wheeler, John C. J. Chem. Educ. 1997, 74, 123.
Metals |
Atomic Properties / Structure
Nuclear synthesis and identification of new elements  Seaborg, Glenn T.
Review of descriptive terms, nuclear reactions, radioactive decay modes, and experimental methods in nuclear chemistry.
Seaborg, Glenn T. J. Chem. Educ. 1985, 62, 392.
Nuclear / Radiochemistry |
Nomenclature / Units / Symbols |
Isotopes
E-Z s,p  Leach, John M.
Easier method for recalling the filling order of orbitals.
Leach, John M. J. Chem. Educ. 1984, 61, 652.
Atomic Properties / Structure |
Periodicity / Periodic Table
Should orbitals be x-rated in beginning chemistry courses?  Bent, Henry A.
Memorizing orbital rules helps students earn credits in science without knowing what science is.
Bent, Henry A. J. Chem. Educ. 1984, 61, 421.
Atomic Properties / Structure
4s Sometimes is below 3d - the author replies  Pilar, Frank L.
Reply to criticism of original article.
Pilar, Frank L. J. Chem. Educ. 1979, 56, 767.
Atomic Properties / Structure |
Periodicity / Periodic Table
4s Sometimes is below 3d  Carlton, Terry S.
Seeks to correct flaws in cited article.
Carlton, Terry S. J. Chem. Educ. 1979, 56, 767.
Atomic Properties / Structure |
Periodicity / Periodic Table
Regularities and relations among ionization potentials of nontransition elements  Liebman, Joel F.
Provides several semiempirical procedures for investigating ionization potentials.
Liebman, Joel F. J. Chem. Educ. 1973, 50, 831.
Atomic Properties / Structure |
Periodicity / Periodic Table
The Rutherford scattering experiment: CAI in the laboratory  Garbarino, John R.; Wartell, M. A.
Briefly describes a computer generated Rutherford scattering experiment.
Garbarino, John R.; Wartell, M. A. J. Chem. Educ. 1973, 50, 792.
Atomic Properties / Structure
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
Chemical queries. Especially for introductory chemistry teachers  Young, J. A.; Malik, J. G.; Choppin, Gregory R.; Young, J. P.
(1) Is there more to nuclear stability than only the neutron to proton ration? - answer by Choppin. (2) What are the products generated by the electrolysis of molten potassium nitrate with stainless steel electrodes? - answer by Young.
Young, J. A.; Malik, J. G.; Choppin, Gregory R.; Young, J. P. J. Chem. Educ. 1970, 47, 73.
Nuclear / Radiochemistry |
Isotopes |
Atomic Properties / Structure |
Electrochemistry
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
Atomic orbital molecular models  Martins, George
Atomic orbital molecular models are constructed using molded white expanded polystyrene in the form of spheres and teardrops.
Martins, George J. Chem. Educ. 1964, 41, 658.
Atomic Properties / Structure |
MO Theory
The shapes of the f orbitals  Friedman, H. G., Jr.; Choppin, G. R.; Feuerbacher, D. G.
Presents pictures of the f orbitals and discusses their ligand field splitting.
Friedman, H. G., Jr.; Choppin, G. R.; Feuerbacher, D. G. J. Chem. Educ. 1964, 41, 354.
Atomic Properties / Structure |
Crystal Field / Ligand Field Theory
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 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
Electronegativities in inorganic chemistry. III  Sanderson, R. T.
The purpose of this paper is to illustrate some of the practical applications of electronegativities and charge distribution.
Sanderson, R. T. J. Chem. Educ. 1954, 31, 238.
Atomic Properties / Structure |
Covalent Bonding |
Acids / Bases
The elementary composition of the earth's crust  Asimov, Isaac
Identifies the elementary composition of the earth's crust in terms of atom number, weight, and nuclides.
Asimov, Isaac J. Chem. Educ. 1954, 31, 70.
Geochemistry |
Isotopes
Letters  Hakala, Reino W.
The author points out a reference to a relationship between atomic weight and atomic number.
Hakala, Reino W. J. Chem. Educ. 1953, 30, 44.
Atomic Properties / Structure |
Periodicity / Periodic Table
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