2. 11 2 3 4 5 6 7 8 9 10 11 12 13 14 15234567891011 12131415

3. A:B: Mixture of elementsCompound of elements $100 What is an alloy? C:D: Mixture of elements, one of them a metal Compound of elements, one of them a metal

4. Excellent!Excellent!

5. Unlucky!Unlucky! That’s incorrect

6. A:B: They are too softThey are too hard $200 What is the problem with many pure metals? C:: They are too brittleThey are too reactive

7. Excellent!Excellent!

8. SorrySorry That’s incorrect …

9. A:B: More soft More reactive $300 Adding impurities to metal makes it…..? C:D: More pure More hard

10. FantasticFantastic

11. Oh dear! That’s incorrect …

12. A:B: Copper and zincAluminium and titanium $500 Brass is an alloy of? C:D: Iron and carbonMercury and tin

13. BrilliantBrilliant

14. SorrySorry That’s incorrect …

15. A:B: It is always native $1,000 Why have we known how to extract copper for many centuries? C:D: It can’t be reduced It is reactive It is not very reactive

16. Well done!

17. Unlucky!Unlucky!

18. A:B: C:D: They are strong and light They are strong and heavy They are easy to extract They are cheap to make $2,000 Why are aluminum and titanium useful?

19. Super!Super!

20. Oh no! That’s incorrect !…

21. A:B: ReductionDisplacement $4,000 Reactive metals need to be separated from their ores using? C:D: ElectrolysisOxidation

22. Very good!

23. IncorrectIncorrect So near and yet so far!

24. A:B: They are unreactive They are reactive $8,000 Why don’t aluminum and titanium corrode easily? C:D: They form a protective oxide coating They are alloys

25. Very good!

26. Sorry!Sorry! That’s incorrect …

27. A:B: The ores have got to be melted first $16,000 Which is not true for electrolysis? C:D: It uses a lot of energy The ores must have impurities removed It is cheap

28. Very good!

29. UnluckyUnlucky That’s incorrect …

30. Digestion A:B: They both involve reduction $32,000 Which is a not problem with extracting aluminum and titanium? C:D: They are expensive DigestionThey involve many stages They use a lot of energy

31. Brilliant!Brilliant!

32. Unfortunately…Unfortunately… That’s incorrect !

33. A:B: Alkali metalsAlkaline earth metals $64,000 Which part of the periodic table to we find most of the useful metals? C:D: Transition metalsMagnetic metals

34. Well done!

35. I’m sorry That’s incorrect …

36. A:B: DisplacementReduction $125,000 How is titanium actually separated from its ore? C:D: SmeltingElectrolysis

37. Very good!

38. IncorrectIncorrect You should have got that one!

39. A:B: MalachiteLoadstone $250,000 What is aluminum ore called? C:D: HaematiteBauxite

40. Excellent!Excellent!

41. Wrong Choice! That’s incorrect …

42. A:B: They aren’t very reactive They are rare $500,000 Why were certain metals discovered fairly recently? C:D: There can only be extracted with electrolysis They are buried deep underground

43. Very Good!

44. Sorry!Sorry! That’s incorrect …

45. A:B: $ 1,000,000 What does ductile mean? C:D: Can be drawn into wires Can be shaped easily Hard Brittle

46. Fantastic!Fantastic!

47. UnluckyUnlucky You were nearly a millionai re!

48. Thank you for playing! Thank you for playing! Thank you for playing!