Chemistry 123

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Chemistry 123

• Week of 17 March 2008

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Transition metals of 4th period
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Electron configurations
Fill in the blanks
 
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Reactions of transition metals

• Copper metal can be retrieved from malachite (a
  copper ore) in a process called pyrometallurgy
• Step 1 Cu2CO3(OH)2 ? 2 CuO CO2 H2O
• Step 2 2 CuO C ? 2 Cu CO2
• What type of reaction is step two?

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Properties of transition metals and their
compounds

• How will (Cu2CO3(OH)2), CuO and Cu differ in each
  of the following 
• Melting point
• Solubility
• Conductivity
• Redox properties
• Malleability/ductility

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Atomic radii
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Ionization energy
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Electronegativity
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Oxidation numbers
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Oxidation numbers
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Density
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Representative metals more active down a group
Transition metals less active down a group
Factors of atomic radius and ionization energy
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Color and magnetism

• Which of the following ions will be colorless in
  solution?
• Zn2 Mg2 Ti2 Cu2
• Which will be paramagnetic (have unpaired
  electrons)?
• Zn2 Mg2 Ti2 Cu2

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Coordination compounds
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Coordination number vs. geometry
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Bidentate ligands
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Chelating ligands