Chemistry chapter 8-2

Chemistry chapter 8-2 - General Chemistry 110 Prof. B. C....

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General Chemistry 110 Prof. B. C. Sanctuary Otto Maass 224 Bryan.sanctuary@mcgill.ca Office hours: Part 3b Electrons in atoms Chapter 8 (see General Chem for this material) 1 Chemistry 110 Chapter 8 Part 3b Quantum
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Chapter 8: Atoms and the Atomic Theory Electromagnetic Radiation Atomic Spectra Quantum Theory The Bohr Atom Two ideas leading to a New Quantum Mechanics Wave Mechanics Quantum Numbers and Electron orbitals Interpretation and Representing: The H atom Electron Spin: a forth quantum number Multi-electron atoms Electronic Configuration Electron Configuration and the Periodic Table 2 Chemistry 110 Chapter 8 Part 3b Quantum
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Chapter 8: Atoms and the Atomic Theory Problems: EM radiation: 8-1 to 8-6, 8-8; Atomic spectra: 8-9 to 8-13, 8-17, 8-18; Quantum theory: 8-19 to 8-22, 8-24; Photoelectric effect: 8-25; Bohr Atom8-27 to 8-31; 8-34, 8-36, 8-38; Wave-particle duality: 8-39 to 8-42; Heisenberg Uncertainty: 8-43 to 8-47; Wave mechanics: 8-49 to 8-54; Quantum numbers: 8-55 to 8-60; Shapes of orbits: 8-61 to 8-62, 8-71, 8-72; Electron configs: 8-75 to 8-80, 8-82 to 8-88. 3 Chemistry 110 Chapter 8 Part 3b Quantum
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Chapter 8: Atoms and the Atomic Theory The Bohr Atom We will do the Bohr atom is some detail in order To show Bohr’s ideas and how he developed his Model. Classical mechanics is mainly used with a quantization assumption: angular momentum is quantized. 4 Chemistry 110 Chapter 8 Part 3b Quantum
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Chapter 8: Atoms and the Atomic Theory The Bohr Atom Explained the emission spectra of the one-electron Atoms: H, He + , Li 2+ , Be 3+ the Rydberg formula 5 Chemistry 110 Chapter 8 Part 3b Quantum 22 12 11 H R nn υ  =  
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Chapter 8: Atoms and the Atomic Theory The Bohr Atom Explained the emission spectra of the one-electron Atoms: H, He + , Li 2+ , Be 3+ the Rydberg formula Planck quantized vibrations of atoms; Einstein quantized the energy of photons; Bohr quantized angular momentum: 6 Chemistry 110 Chapter 8 Part 3b Quantum 22 12 11 H R nn υ  =   2 h Ln n π =
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Chapter 8: Atoms and the Atomic Theory The Bohr Atom 7 Chemistry 110 Chapter 8 Part 3b Quantum
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Chapter 8: Atoms and the Atomic Theory What Bohr knew (needed): Classical EM theory: Maxwell Classical statistical mechanics Classical mechanics The electron The Rutherford model Blackbody radiation Photoelectric effect He did not know quantum mechanics If the nucleus has charge of + Ze C, and electrons have charge of - e C, why does the electron not crash on the surface of the nucleus?
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This note was uploaded on 09/29/2011 for the course CHEM CHEM 110 taught by Professor Iansydneybutler during the Fall '09 term at McGill.

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Chemistry chapter 8-2 - General Chemistry 110 Prof. B. C....

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