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Standing Waves on a Wave Demonstrator (with frequency) The relationship between frequency and wavelength for standing waves on a 0.90 m short-rod wave demonstrator is explored. The frequency is displayed at the bottom of the screen.

Waves Consisting of Single Pulses Characteristics of single pulse waves include direction of displacement and wave speed illustrated in the following slinky demonstrations.

Remedial Mathematics for Quantum ChemistryLodewijk Koopman, Natasa Brouwer, André Heck, and Wybren Jan Buma A remedial program designed to tackle the problem of insufficient mathematical knowledge in a first-year quantum chemistry course provides weekly online assignments to prepare students for upcoming lectures, monitors students' progress, and offers feedback. As a result, mathematical skills improved and students became more involved in lectures. Koopman, Lodewijk; Brouwer, Natasa; Heck, André Buma, Wybren Jan. J. Chem. Educ.2008, 85, 1233.

Mathematics / Symbolic Mathematics |

Quantum Chemistry

Examining Quantum Oddities within the Context of Other Major Scientific TheoriesPablo A. Molina This article presents an epistemological discussion on the conceptual hurdles shared by quantum theory and evolution, gravity, and special relativity, and offers students a logical structure to deal with waveparticle duality, the uncertainty principle, boundary conditions, and the quantization of energy. Molina, Pablo A. J. Chem. Educ.2008, 85, 1229.

John Krenos Metiu has created a significant set of volumes on undergraduate physical chemistry. The integration of Mathematica and Mathcad workbooks into the four texts provides instructors with an attractive new option in teaching. Krenos, John. J. Chem. Educ.2008, 85, 206.

Quantum States of Atoms and MoleculesTheresa Julia Zielinski, Erica Harvey, Robert Sweeney, David M. Hanson Quantum States of Atoms and Molecules is an introduction to quantum mechanics as it relates to spectroscopy, the electronic structure of atoms and molecules, and molecular properties. A digital, living textbook, it provides opportunities not found in conventional textbooks opportunities that allow students to develop skills in information processing, critical thinking or analytical reasoning, and problem solving that are so important for success.

Quantum Chemistry

Bohr Hydrogen Atom Emission SeriesWilliam F. Coleman In this Excel spreadsheet students use interactive arrows to explore various series in the hydrogen spectrum. The arrows change the final quantum state of the series. A second tab opens a sheet that allows exploration of the spectra of other one-electron species, by varying the nuclear charge. The nuclear charge is entered and the arrows again control the final state of the spectral series.

Atomic Spectroscopy |

Quantum Chemistry |

Enrichment / Review Materials

Interactive SpreadsheetsWilliam F. Coleman Interactive Excel spreadsheets display hard-to-understand concepts in statistics, quantum mechanics, physics, and more. Parameters are adjusted by clicking on easy-to-use buttons or by using numeric input boxes. Graphs, tables, and/or figures are then created reflecting the change in parameters.