Lecture Notes for Ch. 23

Lecture Notes for Ch. 23 - Chem 1036 Chapter 23 1 of 22f...

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Chem 1036 Chapter 23 1 of 22f Chapter 23 Transition Metals Characteristics of Transition Metals 2 3 4 5 6 7 8 9 10 11 12 13 M g A l Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Ba Lu Hf Ta W Re Os Ir Pt Au Hg Tl R a Outer electron configuration : Oxidation numbers : Chem 1036 Chapter 23 2 of 22f Sc Ti VC r M n F eC o Ni Cu Zn YZ r Nb Mo Tc Rh Pd Ag Cd Lu Hf Ta W Re Os Ir Pt Au Hg Ru 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 Oxida ion Numbe The Oxidation Numbers of Transition Metals = principal oxidation number = other know oxidation numbers Chem 1036 Chapter 23 3 of 22f Size trend (Atomic radii) : Size decreases →→→→→→→ Size increases →→→→→→→ 3 4 567891 0 11 12 Group Period 4 5 6 164 135 129 147 182 160 137 147 140 135 172 159 147 141 137 124 125 125 128 137 134 137 144 152 134 135 136 139 144 155 Chem 1036 Chapter 23 4 of 22f Size decreases because: Size increases because: Size trends in Rows 5 and 6: Lanthanide contraction : Density values: rinted with FinePrint - purchase at www.fineprint.com
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Chem 1036 Chapter 23 5 of 22f Transition Metal Densities Group 3 4 56789 1 0 11 12 Period 5 3 Period 4 Period 3 5 10 15 20 25 Chem 1036 Chapter 23 6 of 22f Magnetism: Complex Ions Complex ions: Cu 2+ + 4NH 3 Cu(NH 3 ) 4 2+ Co 3+ + 6Cl - CoCl 6 3- Coordination compounds: [Cu(NH 3 ) 4 ]Cl 2 K 3 [CoCl 6 ] Chem 1036 Chapter 23 7 of 22f Bonding: C u : C u 2+ : NH 3 : Nonbonding electrons on 4 NH 3
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This note was uploaded on 09/16/2008 for the course CHEM 1036 taught by Professor Amateis during the Spring '08 term at Virginia Tech.

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Lecture Notes for Ch. 23 - Chem 1036 Chapter 23 1 of 22f...

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