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Understanding Lewis Structures: Octet Breaking Examples

Learn about octet breaking in Lewis Structures with examples of BH3, XeF4, ClF4-, and H2SO4. Understand electron distribution, central atoms, skeletal structures, formal charges, and double bonds.

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Understanding Lewis Structures: Octet Breaking Examples

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  1. Lewis Structures: Octet Breaking Examples

  2. Lewis Structures: octet breaking • BH3 • Any common octet breaking atoms? • How many electrons are present? • What is the central atom? • Draw a skeletal structure • Add electrons: do you have enough to give all atoms octets? • Yes? Then minimize formal charges if needed. • No? Then add double bonds until you have enough electrons. • Is it one that is typically found to have less? • Label each with the formal charge

  3. Lewis Structures: octet breaking • XeF4 • Any common octet breaking atoms? • How many electrons are present? • What is the central atom? • Draw a skeletal structure • Add electrons: do you have enough to give all atoms octets? • Yes? Then minimize formal charges if needed. • No? Then add double bonds until you have enough electrons. • Is it one that is typically found to have less? • Label each with the formal charge

  4. Lewis Structures: octet breaking • ClF4- • Any common octet breaking atoms? • How many electrons are present? • What is the central atom? • Draw a skeletal structure • Add electrons: do you have enough to give all atoms octets? • Yes? Then minimize formal charges if needed. • No? Then add double bonds until you have enough electrons. • Is it one that is typically found to have less? • Label each with the formal charge

  5. Lewis Structures: octet breaking • H2SO4 • Any common octet breaking atoms? • How many electrons are present? • What is the central atom? • Draw a skeletal structure • Add electrons: do you have enough to give all atoms octets? • Yes? Then minimize formal charges if needed. • No? Then add double bonds until you have enough electrons. • Is it one that is typically found to have less? • Label each with the formal charge

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