Chemical Bonding Overview

Chemical Bonding Overview - Chemical Bonding Outline Steven...

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Chemical Bonding Outline Steven Segal 10/9/07
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Consider Two Atoms with varied separation distances , where: r = separation distance F a = force of attraction F r = force of repulsion a) At large distances of separation, there is NO interaction between the two atoms. The forces between them is, therefore, zero. Also, the energy of the atom-pair system is zero (ground state). b) As “r” decreases, a net force of attraction develops between the two atoms. This results in a decrease of potential energy c) This is the “equilibrium configuration.” Here, the net force between the two atoms is zero and the potential energy of the atom-pair is at a minimum. This distance, r e , is referred to as the “interatomic equilibrium separation distance.” d) Here, the distance is less than r e . The electron orbitals of the two atoms are overlapping and, therefore, give rise to large repulsive forces. Also, the energy of the atom-pair system rises sharply.
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Ionic Bonding - Ionic Bonding results from the electrostatic interaction between ions of
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Chemical Bonding Overview - Chemical Bonding Outline Steven...

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