Lect+30+08 - • Week 12 • Atoms and Orbitals • Reading...

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Unformatted text preview: • Week 12 • Atoms and Orbitals • Reading CHAPTER 5 • Week 13 • Molecular Structure and Orbitals • Reading CHAPTER 6 • Week 14 - Interactions of Molecules with Light • Reading CHAPTER 20 sections 20.1-20.3 Atoms and Orbitals • During this lecture we will discuss a common language understanding of electron orbitals and associated quantum number in atoms • One electron orbitals • Energy levels and quantum numbers n, l, m l • Orbital shapes and probability distributions • Approximations for multiple electron orbitals • Shielding • Building up the periodic table. Three dimensions - use spherical coordinates to model electron behavior Quantum numbers for three dimensional electron orbitals • “n” - principle quantum number - size of orbital - n 2 sets of quantum numbers for each n. n = 1, 2, 3, 4,… • “l” - angular momentum quantum number - shape of orbital l = 0, 1, 2,… n-1 l = s, p, d, f,…n-1 • “m l ” - magnetic quantum number - direction of orbital relative to magnetic field - for each l there are 2l+1 orbitals m l = -l, -l+1, …0,… l-1, l Examples of orbital types...
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This note was uploaded on 04/01/2008 for the course CHEM 230 taught by Professor Sharp during the Winter '08 term at University of Michigan.

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Lect+30+08 - • Week 12 • Atoms and Orbitals • Reading...

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