Properties of Giant Covalent Structures Quiz
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5 questions, one answer each
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1. What is another name for a giant covalent structure?
- A. Ionic lattice
- B. Macromolecule
- C. Simple molecule
- D. Metallic lattice
2. Which of these is an example of a giant covalent structure?
- A. Water
- B. Silicon dioxide
- C. Sodium chloride
- D. Methane
3. Why do giant covalent structures have very high melting points?
- A. They have weak intermolecular forces to overcome
- B. Many strong covalent bonds throughout the structure must be broken
- C. They are made of metal ions
- D. They have no bonds to break
4. How are the atoms arranged in a giant covalent structure?
- A. As separate small molecules
- B. Linked throughout the whole structure by strong covalent bonds
- C. Randomly, with no bonding pattern
- D. In a sea of delocalised electrons only
5. A student compares the melting points of a simple molecular substance and a giant covalent structure. What would they most likely find?
- A. Both melt at similarly low temperatures
- B. The simple molecular substance melts at a much higher temperature
- C. The giant covalent structure melts at a much higher temperature
- D. Melting point cannot be compared between these substances