Metals

1. Metals 1. Occurrence LO: I know how metals occur in nature.

2. Metals: 70 Of the 90 naturally occurring elements,are metals. compounds Most metals are found in nature as . Unreactive metals don’t form compounds in nature: e.g. and . gold silver Gold and silver are found as elements in the soil. They were the first metals to be discovered. Most metals need to be from compounds before they are used. extracted LO: I know how metals occur in nature.

3. 2. Properties LO: I know some properties and uses of metals.

4. Metals have many properties which makes them useful for a variety of jobs. Strength: Malleability: Iron is used in construction. • Buildings • Bridges rolled Metals can be and . shaped • Car body panels LO: I know some properties and uses of metals.

5. Electrical Conductivity: Metals conduct electricity when and . solid liquid • Copper is used to make wires. Density: Heat Conductivity: Metals are conductors of heat. good • Many pots are made of aluminium. titanium Low density is used to make aircraft. lead High density is used to make radiation shielding. LO: I know some properties and uses of metals.

6. 60 70 80 Quiz Of the 90 naturally occurring elements, how many are metals?

7. gold tin lead Quiz Which of the following metals is found as an element in nature?

8. A it is a good conductor of heat. B it is a good conductor of electricity. C it is very strong. D it has a very high density. Quiz The main reason for using aluminium to make electrical wires is because:

9. A it is a good conductor of heat. B it is a good conductor of electricity. C it is very strong. D it has a very high density. Quiz Lead is used to make boot soles for deep sea divers because:

10. A it is a good conductor of heat. B it is malleable. C it is strong. D it does not react with water. Quiz Which of the following is not a reason for using copper to make water pipes:

11. 3. Alloys LO: I know what is meant by an alloy.

12. mixture An alloy is a of metals. Some alloys are a mixture of metals with . non-metals different The properties of an alloy are to the properties of the metals in the mixture. copper, zinc hinges, door handles copper, tin statues tin, lead connection pipes and wires iron, carbon construction proportions The properties change as the of the mixture are changed. LO: I know what is meant by an alloy.

13. alloy alley allay Quiz Which word means a mixture of metals?

14. True False Quiz “Some alloys can contain non-metals”

15. zinc solder cobalt Quiz Which of the following is an alloy?

16. bismuth tungsten nitinol Quiz Which of the following is an alloy?

17. Iron Carbon Chromium Quiz Every type of steel alloy contains which element?

18. A the temperature you heat it to. B the proportions of the metals. C the lumps into powder form. D the size of the flame. Quiz You change the melting point of the alloy, solder, when you change:

19. 4. Metals and Water LO: I know which metals react with water.

20. Experiment aluminium magnesium calcium sodium LO: I know which metals react with water.

21. Order of reactivity: sodium calcium Increasing reactivity magnesium aluminium Aluminium does not react with water at all. LO: I know which metals react with water.

22. In general: Some metals react with water to produce a metal and . hydrogen hydroxide metal hydroxide + + metal water hydrogen For example: calcium hydroxide + + calcium water hydrogen lithium hydroxide + + lithium water hydrogen LO: I know which metals react with water.

23. 5. Testing for Hydrogen LO: I know how to collect and test hydrogen gas.

24. Experiment Hydrogen gas can be produced by reacting with water. calcium A splint is placed at the mouth of the test tube. burning Hydrogen burns with a . pop! calcium LO: I know how to collect and test hydrogen gas.

25. True False Quiz “magnesium metal reacts quickly with cold water”

26. True False Quiz “sodium metal reacts violently with cold water”

27. True False Quiz “when metals react with water they produce oxygen gas”

28. aluminium calcium lithium Quiz Which of the following metals does not react with water?

29. sodium calcium lithium Quiz Which of the following metals is the most reactive with cold water?

30. A sodium oxide and hydrogen. B sodium hydride and oxygen. C sodium hydroxide and hydrogen. D sodium hydride and oxygen. Quiz When sodium reacts with water the products are:

31. A relights a glowing splint. B burns with a pop. C turns lime water cloudy. D puts out a burning splint. Quiz The test for hydrogen is:

32. 6. Metals and Acid LO: I know which metals react with acid.

33. Experiment copper iron zinc magnesium LO: I know which metals react with acid.

34. Order of reactivity: magnesium zinc Increasing reactivity iron copper Copper does not react with acid at all. LO: I know which metals react with acid.

35. In general: Some metals react with acid to produce a metal and . salt hydrogen metal salt + + metal acid hydrogen For example: iron chloride + + hydrochloric acid iron hydrogen zinc chloride + + hydrochloric acid zinc hydrogen LO: I know which metals react with acid.

36. True False Quiz “zinc metal reacts quickly with acid”

37. True False Quiz “magnesium metal reacts quickly with acid”

38. True False Quiz “when metals react with acid they produce hydrogen gas”

39. copper iron zinc Quiz Which of the following metals does not react with acid?

40. magnesium zinc aluminium Quiz Which of the following metals is the most reactive with acid?

41. A nickel chloride and hydrogen. B nickel chloride and oxygen. C nickel chlorate and hydrogen. D nickel chlorate and hydrogen. Quiz When nickel reacts with hydrochloric acid the products are:

42. A relights a glowing splint. B burns with a pop. C turns lime water cloudy. D puts out a burning splint. Quiz The test for hydrogen is:

43. 7. Making a Salt LO: I know how a salt can be made from a metal and acid.

44. Making a Salt Aim: To make a sample of the salt magnesium sulphate by reacting magnesium with sulphuric acid. Diagram: filter paper filter funnel magnesium sulphate solution sulphuric acid magnesium heat LO: I know how a salt can be made from a metal and acid.

45. 25 1. cm3 of sulphuric acid (1M) was added to a beaker. Method: 2. Pieces of magnesium were added to the acid until it stopped . fizzing filtered 3. The mixture was . water 4. The solution was heated to remove the . Result: magnesium sulphate A white solid () was produced. Conclusion: Magnesium sulphate salt can be made by reacting magnesium sulphate with sulphuric acid, the mixture and then the water. filtering evaporating LO: I know how to make a salt from a metal and acid.

46. 8. Types of Salt LO: I know how to name a salt from the reactants.

47. metal acid The name of a salt comes from a and the it was reacted with. For example: zinc sulphate from metal from acid In general: hydrochloric acid metal chlorides sulphuric acid metal sulphates nitric acid metal nitrates LO: I know how to name a salt from the reactants.

48. For example: calcium sulphate + + + nitric acid sulphuric acid lead calcium hydrogen nickel nitrate + + + + sulphuric acid nitric acid hydrochloric acid nickel iron tin hydrogen lead nitrate + hydrogen tin sulphate + hydrogen iron chloride + hydrogen LO: I know how to name a salt from the reactants.

49. 9. Collecting and Testing Oxygen LO: I know how to collect and test a sample of oxygen.

50. To collect a sample of oxygen and perform the test for oxygen. Aim: Diagram: oxygen Hydrogen peroxide + Manganese dioxide water LO: I know how to collect and test a sample of oxygen.