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Lewis Structures and the Octet Rule

Lewis Structures and the Octet Rule - Lewis Structures and...

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Unformatted text preview: Lewis Structures and the Octet Rule 1. The second-tow elements C, N, U, and F should always be assumed to obey the octet rule. 2. The second-row elements B and Be often have fewer man eight electrons around them in their compounds, These electron-deficient compounds are very reactive. 3. The second-row elements never exceed the octet rule, since their valence orbitals Ills and 2p] can accommodate only eight electrons. 4. Third-row and heavier elements often satisfy the octet rule but are assumed in the simplest model to exceed the octet rule by using their err-pry,r valence d orbitals. 5. VII-ten writing the Lewis structure for a molecule, first draw single bonds between all bonded atoms, and then satisfy the ocret rule for all the atoms. If electrons remain after the octet rule has been satisfied, place them on the :lcrrutrlts having amilahl: of orbitals {elements in the third pot-incl or bcyond}. ...
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