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Lewis Structures: Octet Breaking Examples. Lewis Structures: octet breaking. BH 3 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 ?
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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
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
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
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