Do You Know Covalent Crystal?

10 Questions | By Zlatanaleksic | Last updated: Mar 22, 2018 | Total Attempts: 150

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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