CH8(1-3)Oct29FA08a

CH8(1-3)Oct29FA08a - CHEM 109 General Chemistry University...

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CHEM 109 General Chemistry University of Nebraska Fall 2008 29 October 2008 ANNOUNCEMENTS: New MasteringChemistry Starts Today
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Quantum numbers Number of electrons_______ n l m subshell energy level (2n 2 ) Quantum numbers and Electron count
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What would a probability contour for each of the following orbitals look like? a) s b) p z c) d xy
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Orbitals can be ranked in terms of increasing energy. As n increases, note that the ________ between energy levels becomes _________. The orbitals on the right are for the ____________ atom only ! 2s and 2p orbitals have the same energy 3s, 3p, and 3d orbitals have the same energy Orbital Energies Orbitals with the same energy are said to be __________ .
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Like the Bohr model - the Schrodinger equation does not give exact solutions for atoms containing more than one ___________!!!! For atoms with more than one electron we need to consider three features not relevant to hydrogen need for a fourth ________________________- a limit on the number of electrons allowed in a given _________ a more complex set of orbital _____________ Characteristics of Atoms With More Than One Electron
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Electrons have an intrinsic property called electron spin . We use a new quantum number to describe spin: _____________ quantum number, m . There are 2 allowed values of m s : Represents a measurement actually made on the electron – it is not dependent on quantum theory!
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Summary of Quantum Numbers of Electrons in Atoms Name Symbol Permitted Values Property ________ n positive integers(1,2,3, …) orbital energy (size)
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CH8(1-3)Oct29FA08a - CHEM 109 General Chemistry University...

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