Properties of ionic compounds Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. Why does sodium chloride have a high melting point?
- A. It contains weak intermolecular forces
- B. Strong electrostatic attraction between ions needs much energy to overcome
- C. Its covalent bonds are very strong
- D. It has delocalised electrons
2. Which state of an ionic compound does NOT conduct electricity?
- A. Molten
- B. Dissolved in water
- C. Solid
- D. All of them conduct
3. What carries the current in a solution of an ionic compound?
- A. Electrons
- B. Protons
- C. Neutral molecules
- D. Ions
4. Why do many ionic compounds dissolve in water?
- A. Water molecules attract the ions and pull them from the lattice
- B. Water forms covalent bonds with them
- C. The ions turn into atoms
- D. The ions repel each other
5. A solid melts at 950 °C and conducts when molten but not as a solid. What is it likely to be?
- A. A metal
- B. A simple molecular compound
- C. An ionic compound
- D. A giant covalent compound