Target 10: Describe the 3 common exceptions to the octet rule and provide examples of each. The three common exceptions are: A. Molecules that have an odd number of electrons. B. Molecules in which there is less than an octet of electrons. C. Molecules in which there is more than an octet of electrons. Compound words represent one of the most typical and specific features of English word-structure. Compounds are not always easy to distinguish from free word-combinations.
Aug 14, 2020 · In expanded octets, the central atom can have ten electrons, or even twelve. Molecules with expanded octets involve highly electronegative terminal atoms, and a nonmetal central atom found in the third period or below, which those terminal atoms bond to. For example, \(PCl_5\) is a legitimate compound (whereas \(NCl_5\)) is not: Other articles where Expanded octet is discussed: chemical bonding: Hypervalence: …Lewis terms, hypervalence requires the expansion of the octet to 10, 12, and even in some cases 16 electrons. Hypervalent compounds are very common and in general are no less stable than compounds that conform to the octet rule.
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