In this article I sketch G. N. Lewis's views on chemical bonding and Linus Pauling's attempt to preserve Lewis's insights within a quantum-mechanical theory of the bond. I then set out two broad conceptions of the chemical bond, the structural and the energetic views, which differ on the extent in which they preserve anything like the classical chemical bond in the modern quantum-mechanical understanding of molecular structure.
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Robin Findlay Hendry (2008) studied this question.