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6 Assessment Questions
1 Molecular Structures
23 Journal Articles
10 Other Resources
Assessment Questions: First 3 results
Bonding : ImpossibleStructure (10 Variations)
Which of the following formulas represent substances that are likely to be stable at ordinary temperature and pressure? A good way to decide is to ask for which of the formulas is it possible to draw a reasonable Lewis structure (one that obeys the usual rules for drawing Lewis structures)?
Lewis Structures |
Covalent Bonding
Bonding : LewisStructures (10 Variations)
Which of the following Lewis structures are CORRECT?
Lewis Structures |
Covalent Bonding
Bonding : OctetRuleExceptions (10 Variations)
For which of the following atoms are exceptions to the octet rule possible?
Lewis Structures |
Covalent Bonding
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Molecular Structures: 1 results
Nitrite Ion NO2-

3D Structure

Link to PubChem

VSEPR Theory |
Valence Bond Theory |
MO Theory |
Nonmetals

Journal Articles: First 3 results.
Pedagogies:
Orbital Exponent Optimization in Elementary VB Calculations of the Chemical Bond in the Ground State of Simple Molecular Systems  Valerio Magnasco
Orbital exponent optimization in the elementary ab-initio VB calculation of the ground states of H2+, H2, He2+, and He2 gives a fair description of the exchange-overlap component of the interatomic interaction that is important in the bond region.
Magnasco, Valerio. J. Chem. Educ. 2008, 85, 1686.
Atomic Properties / Structure |
Computational Chemistry |
Covalent Bonding |
Molecular Properties / Structure |
Quantum Chemistry |
Theoretical Chemistry |
Valence Bond Theory
Getting the Weights of Lewis Structures out of Hückel Theory: Hückel–Lewis Configuration Interaction (HL-CI)  Stéphane Humbel
A method to obtain the weights of Lewis structures from Hckel calculations is presented and tested against established ab initio methods.
Humbel, Stéphane. J. Chem. Educ. 2007, 84, 1056.
Computational Chemistry |
Lewis Structures |
Theoretical Chemistry |
Quantum Chemistry |
Resonance Theory |
Valence Bond Theory
On the Role of d Orbital Hybridization in the Chemistry Curriculum  John Morrison Galbraith
The use of d-orbital hybridization to describe hypervalent molecules should be removed from the general chemistry curriculum. The case of bonding in sulfur hexaflouride can illustrate that no theory provides all the right answers all the time.
Galbraith, John Morrison. J. Chem. Educ. 2007, 84, 783.
Computational Chemistry |
MO Theory |
Valence Bond Theory
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Other Resources: First 3 results
Werner and Jørgensen Bond Theory  David M. Whisnant, Laura Yindra
This simulation begins in the period around 1870 when chemistry is beginning to be organized. The concept, introduced by Kekulé and Couper, of tetravalent carbon atoms capable of linking to each other has permitted the rise of structural concepts in organic chemistry.
Nomenclature / Units / Symbols |
Valence Bond Theory
The Evolution of Bond Theory  David M. Whisnant, Laura Yindra
In chemistry lectures we have little time to discuss the history of chemistry. This simulation begins with the development of valence concepts in the 19th century. We will step back into the 19th century to see how theories of chemical combination changed during that time.
Nomenclature / Units / Symbols |
Valence Bond Theory
Examples of Lewis Structures  Ed Vitz, John W. Moore
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Lewis Structures
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