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Discovery VideosLyubov Hoffman Laroche, Gary Wulfsberg, Barbara Young The use of digital video for instruction has many advantages. In many situations the only way to present some chemical phenomena is through the use of video. The two video lessons presented here are examples intended to supplement our article in the August 2003 issue of JCE.
Forecasting Periodic Trends: A Semester-Long Team Exercise for Nonscience MajorsJohn 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
Probing the Orbital Energy of an Electron in an AtomJames 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
Trends in Ionization Energy of Transition-Metal ElementsPaul 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.
Ionization Energy WorksheetLynn Diener In this course you can find worksheets to use in your classes or to assign as homework assignments that teach various concepts about the periodic table using the free ChemEd DL resource, the Periodic Table Live!(PTL!).
Periodic Variation of IE and EAEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
