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CHEM1102 - Resources - Resources for Week 10


Topics and Learning Outcomes

  • Crystal Structures
    •  define and give examples of alloys
    •  show how close packing of spheres can lead to hexagonal or cubic close packing
    •  identify the major metal structures - cubic close packed, hexagonal close packed, body centred cubic and simple cubic
    •  list the coordination number, packing efficiency and number of atoms in the unit cell of each of these packing types
    •  identify unit cells for cubic packing
    •  relate the unit cell contents and the stoichiometry
    •  calculate the packing efficiency in cubic unit cells
    •  rationalize the structure of simple ionic solids in terms of filling of the holes in the close packed structures

Textbook and eBook References

Lecture Notes, Tutorial Worksheets & Answers and Suggested Exam Questions

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ChemCAL and iChem Resources

Crystal Structures

Contributed Links and Resources

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Crystal Structures -  
  Sodium chloride unit cell  
 
Description: Video showing how the crystal structure is built from the unit cell and how atoms on the corners, faces and edges end up being shared
Tags: FCC | unit cells | crystal structures | rocksalt  |  Contributed by Adam Bridgeman
 
  Interactive 3D crystal structures  
 
Tags: unit cell | ccp | hcp  |  Contributed by Adam Bridgeman
 
  Caesium chloride unit cell  
 
Description: Video showing how the crystal structure is built from the unit cell and how atoms on the corners end up being shared
Tags: CsCl | unit cells | crystal structures  |  Contributed by Adam Bridgeman
 
  Coordination numbers - interactive video  
 
Description: Select project = "chem1102" and video = "coordination numbers"
Tags: coordination number | complexes | crystal structures  |  Contributed by Adam Bridgeman
 
  Coordination numbers (short video tutorial)  
 
Description: Video tutorial on coordination numbers in covalent molecules, complexes, metallic solids and ionic compounds
Tags: coordination number | complexes | crystal structures  |  Contributed by Adam Bridgeman
 


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