Discussed are experiments that may be done using a microcomputer to analyze scattering data. Apparatus assembly, procedures, and results for this activity are presented. (CW)

Four microcomputer applications are presented including: "Computer Simulated Process of 'Lead Optimization': A Student-Interactive Program,""A PROLOG Program for the Generation of Molecular Formulas,""Determination of Inflection Points from Experimental Data," and "LAOCOON PC: NMR Simulation on a Personal Computer." Software, availability,…

Uses the electron cloud and Lewis structure models to present resonance. Shows resonance bonding as an increase in dot density of the electron cloud. Provides classroom presentation ideas. (MVL)

Described are two applications of computers in chemistry. The multilinear equations and procedures used in obtaining a least-squares solution for curve fitting in chemistry are presented. Also discussed is the program "ATORB" which can be used to generate graphs of probable electron clouds for various atoms and molecules. (CW)

Reexamines the electronic structure of water considering divergent views. Discusses several aspects of molecular orbital theory using spectroscopic molecular orbitals and localized molecular orbitals. Gives examples for determining lowest energy spectroscopic orbitals. (ML)

Describes why specific forms of orbitals used to interpret spectroscopy involving electronic transitions may not say much about the electronic structure of molecules. Discusses several theoretical approaches to explain the anomoly. Determines that the Lewis electron-pair model for molecules is a good predictor of spectroscopic results. (ML)

Based on the idea that active participation stimulates the processes by which learning takes place, this document provides teachers and students with a variety of information and learning activities dealing with chemistry. Basic concepts about chemistry are presented through the use of laboratory experiments, demonstrations, worksheet exercises…

Discusses the potential of experiments as a vehicle and to motivate students to use text references to look up further information such as nomenclature, molecular geometry, properties and reactivities for various ions and molecules. Describes the procedures and discussion for three such experiments. (TW)

Describes some simple computer programs designed to simulate the molecular dynamics of two-dimensional systems with a Lennard-Jones interaction potential. Discusses the use of the software in introductory physics courses at the high school and college level. (TW)

Describes a British secondary school's use of a spectrometer to identify minerals. Discusses the origins of mineral spectra, the preparation of the specimen, the actual spectroscopic scanning, and the interpretation of the spectra. (TW)

Discusses the nature of a nuclear magnetic resonance (NMR) experiment, the techniques used, the types of structural and dynamic information obtained, and how one can view and refine structures using computer graphics techniques in combination with NMR data. Provides several spectra and a computer graphics image from B-form DNA. (MVL)

Discusses the use of graph theory to aid in the depiction of organic molecular structures. Gives a historical perspective of graph theory and explains graph theory terminology with organic examples. Lists applications of graph theory to current research projects. (ML)

Traces the development of bonding theory and notes the influence of preconceived theory upon this development. Considers ideas of alchemy, Newton, Dalton, Lewis, and quantum mechanics. Suggests a move away from conservative descriptive approaches of bonding theory. (ML)

Describes an activity to construct polyhedra resembling molecular structures. Each face forms regular polygons made up of balls. Step-by-step directions are provided to perform the constructions. (MDH)

Provides a series of short articles about various uses of computers and courseware in teaching chemistry. Addresses topics such as a programming utility for animation, an organic synthesis program, a program for the allocation of organic qualitative analysis of unknowns, color images of molecules, and enhancing spreadsheet capabilities. (TW)