Chap+2+Posting - Chapter2:AtomicStructureand Interatomic...

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Chapter 2: Atomic Structure and teratomic onding Interatomic Bonding Learning objectives: 1. (a) Schematically plot attractive, repulsive, and net energies versus interatomic separation for two atoms or ions. (b) Note on this plot the equilibrium separation and the bonding energy, and how the shape of this curve affects properties. . (a) Briefly describe ionic, covalent, metallic, hydrogen, and van 2. (a) Briefly describe ionic, covalent, metallic, hydrogen, and van der Waals bonds. (b) Note which materials exhibit each of these bonding types.
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onding Forces and Energies Bonding Forces and Energies
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ond Energy and Lengths Bond Energy and Lengths
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NIC BONDING IONIC BONDING
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XAMPLES: IONIC BONDING NaCl EXAMPLES: IONIC BONDING He - Ne F Li H 2.1 Be s l MgO CaF 2 O - Ar - Kr - 4.0 Cl 3.0 Br .8 1.0 Na 0.9 K .8 1.5 Mg 1.2 Ca .0 Ti 1.5 Cr 1.6 Fe 1.8 Ni 1.8 Zn 1.8 As 2.0 CsCl 3.5 Xe - Rn - 2.8 I 2.5 At 2.2 0.8 Rb 0.8 Cs 0.7 1.0 Sr 1.0 Ba 0.9 Fr 0.7 Ra 0.9 Adapted from Fig. 2.7, Callister 6e. (Fig. 2.7 is adapted from Linus Pauling, The Nature of the Chemical Bond , 3rd edition, Copyright 1939 and 1940, 3rd edition. Copyright 1960 by Cornell University.
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This note was uploaded on 10/25/2009 for the course MSE 250 taught by Professor Jone during the Summer '09 term at University of Michigan-Dearborn.

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Chap+2+Posting - Chapter2:AtomicStructureand Interatomic...

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