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Hansen, Peter J.; Jurs, Peter C. – Journal of Chemical Education, 1988
Explores graph theory and use of topological indices to predict boiling points. Lists three indices: Wiener Number, Randic Branching Index and Molecular Connectivity, and Molecular Identification numbers. Warns of inadequacies with stereochemistry. (ML)
Descriptors: Chemical Nomenclature, Chemistry, College Science, Graduate Study
Peer reviewed Peer reviewed
Rich, Ronald L.; Suter, Robert W. – Journal of Chemical Education, 1988
Investigates ground state electron configurations for some common elements using graphical methods. Bases observed tendencies on following ideas: "occupancy of differing shells, occupancy of differing subshells within a given shell, double occupancy vs. single occupancy of an orbital, and quantum-mechanical exchange." (ML)
Descriptors: Atomic Structure, Atomic Theory, Chemical Bonding, Chemistry
Peer reviewed Peer reviewed
Hansen, Peter J.; Jurs, Peter C. – Journal of Chemical Education, 1988
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)
Descriptors: Chemical Nomenclature, Chemistry, College Science, Graduate Study