CH6 notes - Chapter 6 Electronic Structure of Atoms A Atoms...

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Unformatted text preview: Chapter 6 Electronic Structure of Atoms A. Atoms B. Wave Mechanics C. Orbitals D. Electron Spin E. Orbital Filling F. Electron Configurations HW #P6 Quiz 3 and Exam 2 Chapter 6 Electronic Structure of Atoms We have been discussing quantitative and physical properties of matter. Now we turn to understanding the nature of atoms and compounds. A. Atoms and Atomic Theory Postulates: (1) Lucretius B Sour atoms have barbs; bland atoms are smooth (2) Dalton = s Atomic Theory B Atoms of different elements are different and not changed into each other by chemical reactions B Alchemy refuted (3) Electrons are discovered B mass = 9.11h10-28 g charge = 1.6h10-19 coul (4) Rutherford Gold Foil B all weight (mass) is in the nucleas (5) Spectroscopy B Line spectra are different for each element (6) Bohr Atom B a planetary model B quantum condition (7) de Broglie B wave nature of an electron 2πr = nλ λ = h/mv h = Planck = s constant m = mass v = velocity (8) Heisenberg Uncertainty Principle ( )( ) 4...
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This note was uploaded on 09/28/2009 for the course CHE 101 taught by Professor Churchhill during the Fall '08 term at SUNY Buffalo.

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CH6 notes - Chapter 6 Electronic Structure of Atoms A Atoms...

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