Lecture 10

Lecture 10 - CHM 11500 M01 and M02 Lecture 10 Reading was...

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CHM 11500 M01 and M02 Lecture 10 Reading was: KTT: Sections 8.1, 8.2, 13.3 Lecture 11: Sections 8.2, 8.4 - 8.6 Lecture 12: Sections 8.6 – 8.9
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2 Summary
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3 Shell Structure Valence Electrons For transition metal elements, partially filled inner (n-1)d shell often counted among the valence electrons. Core Electrons Outer Electrons Outer Electrons = Valence Electrons Ionization energy = 1 MJ/mole Ionization energy > 40 MJ/mole Valence electrons are involved in bonding.
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4
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5 iClicker #1 Li-atom’s valence electron(s) are located where? a. 1s orbital b. 1s & 2s orbitals c. 2s orbital d. 2s & 2p orbitals e. 2p orbital
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6 iClicker #2 Li, Na, and K, all members of group 1A, form chlorides with the same metal-chlorine ratio because Li, Na, & K atoms a. are the same size b. have the same first ionization energy c. have the same outer shell configuration d. are alike in all three ways (a - c)
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Trends in Metallic Behavior Metals tend to lose electrons from their outer shells and form positive ions, cations. Nonmetals tend to add electrons to their outer shells and form
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This note was uploaded on 12/13/2011 for the course CHEM 115 taught by Professor L during the Fall '02 term at Purdue.

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Lecture 10 - CHM 11500 M01 and M02 Lecture 10 Reading was...

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