12.4 The Forces That Hold Usand Everything ElseTogether
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The Nature of Hydrogen BondingEmeric Schultz Students use toy connecting blocks and Velcro to investigate weak intermolecular interactions, specifically hydrogen bonds. Schultz, Emeric. J. Chem. Educ.2005, 82, 400A.
Noncovalent Interactions |
Hydrogen Bonding |
Phases / Phase Transitions / Diagrams |
Water / Water Chemistry |
Covalent Bonding |
Molecular Modeling |
Molecular Properties / Structure
Simple Dynamic Models for Hydrogen Bonding Using Velcro-Polarized Molecular ModelsEmeric Schultz This article describes the use of models that dynamically illustrate the unique characteristics of weak intermolecular interactions, specifically hydrogen bonds. The models clearly demonstrate that H-bonds can break and reform while covalent bonds stay intact. The manner in which the models form and break H-bonds reflects the geometric and statistical manner in which H-bonding actually occurs and is not contrived. The use of these models addresses a significant area of student misconceptions. The construction of these molecular models is described. Schultz, Emeric. J. Chem. Educ.2005, 82, 401.
Hydrogen Bonding: WaterEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Hydrogen Bonding
London ForcesEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Noncovalent Interactions
Intermolecular Forces (Netorials)Rachel Bain, Mithra Biekmohamadi, Liana Lamont, Mike Miller, Rebecca Ottosen, John Todd, and David Shaw Intermolecular Forces: this is a resource in the collection "Netorials". In this resource there is a review of Lewis structures, molecular geometry, electronegativity, or molecular polarity. After that, you can learn about the forces of attraction that exist between molecules. This module explores London forces and dipole-dipole forces (including hydrogen bonds). The Netorials cover selected topics in first-year chemistry including: Chemical Reactions, Stoichiometry, Thermodynamics, Intermolecular Forces, Acids & Bases, Biomolecules, and Electrochemistry.
