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Chemistry (249)
CHEM 111 (69)
Lecture

Sp3d hybridization, Sp3d2 hybridization, procedure for molecular info

3 Pages
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Department
Chemistry
Course Code
CHEM 111
Professor
Dana Johnson

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Description
20 October Announcements Practice Exam, here tonight, 7 – 9 pm Clicker – based review session Sat (10/23) at 3 pm in this room Exam will cover the following sections 2.7 & 2.8 (covalent bonding), 3.0-3.2, 9.3 (covalent bonding), 9.5 (electronegativity), 10.0-10.2, 11.0-11.2 Refined bonding model assignment Form on RamCT Due at the beginning of class Monday, 10/25 Your conception of bonding Discuss differences from first bonding model Review Valence Bond theory helps explain molecular shapes Bonding orbitals hold 2 electrons They are stronger with more overlap They hybridize Hybridization: when atomic orbitals mix to form new hybrid orbitals 3 Sp → from one s and 3 p orbitals, tetrahedral class 2 Sp → from one s and 2 p orbitals, trigonal planar class Sp → from one s and one p orbital, linear class Sp d hybridization Trigonal bipyramidal class 3 1 s, 3 p, and 1 d → sp d orbitals First of the expanded octet classes Must have d orbitals for this → only period 3 and larger Sp d hybridization Octagonal class 3 2 1 s, 3 p, and 2 d → 6 sp d orbitals Again
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