Chemical bond is the physical and chemical process responsible for the attractive interactions between atoms molecules, ions and that which confers stability to diatomic and polyatomic chemical entiti
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Introduction Matter is made up of one or different type of elements. Under normal conditions no other element exists as an independent atom in nature, except noble gases. However, a g
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Kossel-Lewis Approach to Chemical Bonding In order to explain the formation of chemical bond in terms of electrons, a number of attempts were made, but it was only in 1916 when Kössel and Lewi
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Octet Rule and Covalent Bond Octet Kössel and Lewis in 1916 developed an important theory of chemical combination between atoms known as electronic theory of chemical bonding. Acc
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Lewis Representation of Simple Molecules (The Lewis Stuctures) The Lewis dot structures provide a picture of bonding in molecules and ions in terms of the shared pairs of electrons and th
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Formal Charge Lewis dot structures, in general, do not represent the actual shapes of the molecules. In case of polyatomic ions, the net charge is possessed by the ion as a whole and not by a parti
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Limitations of the Octet Rule The octet rule, though useful, is not universal. It is quite useful for understanding the structures of most of the organic compounds and it applies mainly to the seco
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