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Solved: How does the structure of the community service program affect its perceived

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 4 Chapter 4

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 4

How does the structure of the community service program affect its perceived value? Is it part of academic study? Are there choices?

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7 November 2016 Lecture Chapter 10 Molecular shapes, Valence bond theory, and MO theory ● VSEPR Theory ○ VSEPR = V​alence ​S​hell ​E​lectron ​P​air ​R​epulsion ○ ​VSEPR allows you to predict the geometry of molecules. ○ ​Regions of electron density (called ​electron groups​) orient around a central atom ​to get as far apart a​s possible. ● Molecular Geometry ○ Describe 3D shape of molecules using polygons and platonic solids ■ Central atom is in the center ■ Corners of the shapes are the surrounding atoms ○ ○ ● Electron groups ○ The geometry of a molecule is found by counting the electron groups on the central atom. Find the electron groups by drawing the lewis structure ■ Lone pairs ■ Single bonds ■ Multiple bonds ● Linear Geometry has two electron groups ○ Carbon Dioxide ■ ○ The central atom’s geometry tells a molecule’s shape. Do not need to consider the geometry of the outer atoms ● Trigonal Planar has three electron groups ○ Boron trifluoride ■ ● Tetrahedral has 4 electron groups ○ Methane ■ ● Tetrahedron ○ Pyramid with a triangular base ○ Imagine the atom inside the tetrahedron and the orbitals pointing to the vertices ● Trigonal Bipyramidal has 5 electron groups ○ PCl5 ● Octahedral has 6 electron groups ○ S

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Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

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Solved: How does the structure of the community service program affect its perceived