Do You Know Covalent Crystal?

10 Questions | Total Attempts: 150

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Do You Know Covalent Crystal?

In covalent bond electron pairs are shared between atoms and in a Covalent crystal, atoms are connected with covalent bonds. How much do you know about this topic? Take this test and find out!


Questions and Answers
  • 1. 
    Usually Covalent crystals have how many dimensions?
    • A. 

      None

    • B. 

      One dimension

    • C. 

      Two dimensions

    • D. 

      Three dimensions

  • 2. 
    In what are Covalent crystalline solids soluble?
    • A. 

      Polar solvents

    • B. 

      Water

    • C. 

      Non polar solvents

    • D. 

      Normal saline

  • 3. 
    What is like the structure of covalent compounds?
    • A. 

      Closed

    • B. 

      Open

    • C. 

      Compact

    • D. 

      Box like

  • 4. 
    Which is one of non polar solvents?
    • A. 

      Benzene

    • B. 

      Potassium chromate

    • C. 

      Normal saline

    • D. 

      Water

  • 5. 
    Which is the hardest Covalent Crystal?
    • A. 

      Diamond

    • B. 

      Graphite

    • C. 

      Silicon carbide

    • D. 

      Quartz

  • 6. 
    How are Covalent crystals also called?
    • A. 

      Rock solids

    • B. 

      Network solids

    • C. 

      Hard solids

    • D. 

      Beautiful solids

  • 7. 
    What is the stable phase of crystalline carbon under normal conditions (pressure, temperature)?
    • A. 

      Quartz

    • B. 

      Diamond

    • C. 

      Graphite

    • D. 

      Bucky Balls

  • 8. 
    What is the melting point of silicon carbide?
    • A. 

      1790 °C

    • B. 

      2060 °C

    • C. 

      2340 °C

    • D. 

      2,730 °C

  • 9. 
    What is the melting point of quartz?
    • A. 

      1713 °C

    • B. 

      1765 °C

    • C. 

      1840 °C

    • D. 

      1936 °C

  • 10. 
    What is the melting point of diamond?
    • A. 

      3220 °C

    • B. 

      3550 °C

    • C. 

      3660 °C

    • D. 

      3770 °C