2. Who Wants to be a sodium chloride Millionaire?

3. Put the following ? in alphabetical order: A: salt B : sodium chloride C: soluble D: sea

4. The Correct order is: A. Salt D. Sea B. Sodium chloride C. Soluble

5. 1. Sodium chloride has a high melting point because? A : The attraction between ions is very strong B : Ions in a solid are regularly arranged C : Ionic compound are usually very soluble D : Ions can move in liquids 50/50

6. 1. Sodium chloride has a high melting point because? A: The attraction between ions is very strong C: Ionic compound are usually very soluble

7. 1. Sodium chloride has a high melting point because? A: The attraction between ions is very strong

8. Prize 5 4 3 21

9. 2. Salt solution conducts electricity because… C: there are freely moving ions D: the ions are strongly attracted to each other B: the ions have opposite charges A: electrons move between ions 50/50

10. 2. Salt solution conducts electricity because… C: there are freely moving ions D: the ions are strongly attracted to each other

11. 2. Salt solution conducts electricity because… C: there are freely moving ions

12. 3. The type of bonding in salt is … C: metallicD: weak forces B: ionicA: covalent 50/50

13. 3. The type of bonding in salt is … B: ionicA: covalent

14. 3. The type of bonding in salt is … B: ionic

15. 4. Sodium chloride is made up of crystals because.. A: ions are charged B: the ions are regularly arranged C: ionic bonds are strong D: it is soluble 50/50

16. 4. Sodium chloride is made up of crystals because.. B: the ions are regularly arranged C: ionic bonds are strong

17. 4. Sodium chloride is made up of crystals because.. B: the ions are regularly arranged

18. 5. Solid sodium chloride is an insulator because … A: the particles can’t move B: the ions can move C: the atoms can’t move D: the ions can’t move 50/50

19. 5. Solid sodium chloride is an insulator because … B: the ions can move D: the ions can’t move

20. 5. Solid sodium chloride is an insulator because … D: the ions can’t move

21. Congratulations! You have won the Star Prize