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Questions and Answers

What is the type of solid that is characterized by a definite geometric shape and long-range order?

  • Amorphous solid
  • Ionic solid
  • Crystalline solid (correct)
  • Molecular solid

    • What is the term used to describe the number of atoms in a unit cell of a crystal lattice?

  • Atomic mass
  • Atomic number
  • Atomic packing factor
  • Coordination number (correct)

    • What is the type of semiconductor that has an excess of electrons, making it negatively charged?

  • Intrinsic semiconductor
  • Metallic semiconductor
  • N-type semiconductor (correct)
  • P-type semiconductor

    • What type of solids have the highest melting points?

    <p>Covalent solids (A)</p> Signup and view all the answers

    What is the packing efficiency of a simple cubic unit cell?

    <p>68.0% (B)</p> Signup and view all the answers

    What type of point defect results in the formation of a Schottky defect?

    <p>Vacancy defect (A)</p> Signup and view all the answers

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