1.7 sp3 Hybrid Orbitals and the Structure of Ethane
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Hardness of Solid Substances - Grinding A number of metals and nonmetals are ground with a mortar and pestle. The nonmetals shown here are all soft (due to weak intermolecular forces), but the metals vary in hardness.
Be patient. It may take a while for the structure to load.
Covalent Bonding |
VSEPR Theory
Bonding : MatchBondStrength (8 Variations)
Match each of the following molecules to the best energy value for each bond. Do not use the table of bond energies in your book, but predict these values using your knowledge of bond length and bond strength.
Possible energies are: 300 kJ/mol, 330 kJ/mol, 415 kJ/mol and 950 kJ/mol.
The Mechanism of Covalent Bonding: Analysis within the Hückel Model of Electronic StructureSture Nordholm, Andreas Bäck, and George B. Bacskay Hckel molecular orbital theory is shown to be uniquely useful in understanding and interpreting the mechanism of covalent bonding. Using the Hckel model it can be demonstrated that the dynamical character of the molecular orbitals is related simultaneously to the covalent bonding mechanism and to the degree of delocalization of the electron dynamics. Nordholm, Sture; Bäck, Andreas; Bacskay, George B. J. Chem. Educ.2007, 84, 1201.
Covalent Bonding |
MO Theory |
Quantum Chemistry |
Theoretical Chemistry
Understanding and Interpreting Molecular Electron Density DistributionsC. F. Matta and R. J. Gillespie A simple introduction to the electron densities of molecules and how they can be analyzed to obtain information on bonding and geometry. Matta, C. F.; Gillespie, R. J. J. Chem. Educ.2002, 79, 1141.
Covalent Bonding |
Molecular Properties / Structure |
Quantum Chemistry |
Theoretical Chemistry |
Atomic Properties / Structure |
Molecular Modeling |
VSEPR Theory
How We Teach Molecular Structure to FreshmenMichael O. Hurst Examination of how textbooks discuss various aspects of molecular structure; conclusion that much of general chemistry is taught the way it is for historical and not pedagogical reasons. Hurst, Michael O. J. Chem. Educ.2002, 79, 763.
