Therm Sec 13

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Author:
saitclt
ID:
188142
Filename:
Therm Sec 13
Updated:
2012-12-12 09:18:43
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THRM358 SAIT CLT2
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These do not cover the entire section yet! I will update them when I have them finished
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  1. 1. Define crystalline solid
    Solids with highly regular arrangement of their components.
  2. 2. Define lattice
    3D system of points designating the centers of the components that make up the substance.
  3. 3. Define glass
    Amorphous solid made when silica is mixed w other compounds, heated above melting point, then cooled rapidly.
  4. 4. Define amorphous solid.
    Solids w considerable disorder in their structures
  5. 5. Define unit cell
    Smallest repeating unit in a crystal lattice
  6. 6. What kind of bonds and physical properties does Fe have?
    Metallic - high conductivity and malleable.
  7. 7. Why kind of bonds and physical properties does SiO2 have?
    Covalent - non-conducting, high melting pt.
  8. 8. What kind of bonds and physical properties does Ne have?
    Van der Waals - gas at room temp, weak bonding.
  9. 9. What kind of bonds and physical properties does KI have?
    Ionic - non-conducting, high melting pt
  10. 10. Which of the three following crystal systems has the higher symmetry? Tetragonal, cubic, monoclinic.
    Cubic
  11. 11. Which of the crystal systems has the lowest symmetry? Tetragonal, cubic, monoclinic?
    Monoclinic
  12. 12. List 3 crystal defects.
    Kink atom, adatom, vacancy

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