1. Elements, Compounds and Mixtures

2. What you should learn about today
What an element is
Where there is a list of all of the elements
How to make a mixture of different elements
What a compound is
How to make a compound

3. Homework 1KB
Learn – definition of an element, differences between compounds and mixtures
Pg 146 Q9,10,11
Test on Digestion+ Enzymes MONDAY

4. Homework 1J/F/Y Learn – definition of an element and a compound
Test on Digestion+ Enzymes

5. Carbon is made up of lots of carbon atoms

6. Gold is made up of lots of gold atoms

7. Oxygen is made up of lots of oxygen atoms.. they are usually in pairs
A molecule is made of two or more atoms chemically combined

8. An element is a substance made up of only one type of atom

11. Other elements…
Copper
Sulphur
Magnesium
Chlorine

12. Compounds are things that are made up of two or more different types of atoms chemically combined

13. Check your learning.. What is an element? Give some examples
Where are all of the elements listed?
Define compounds. Give some examples

14. Objectives for today To make a mixture and examine its properties
To make a compound and examine its properties

15. Homework Orange BOOK Pg 175 q1, q2,q3 Blue book Pg 145 Q1, Q2,Q3, Q7
Learn the differences between compounds and mixture

16. Think...
What is a mixture?
Can you think of any examples of mixtures that you know of?

17. Examine the properties of the mixture
Mix the two elements together and grind using a mortar and pestle
Examine the properties of the mixture
Using a mass balance measure:
7g iron filings
4g of sulphur
Make the compound iron sulfide

18. Check your learning.. What is an element? Give some examples
Where are all of the elements listed?
Define mixture. Give some examples
Define compounds. Give some examples

19. Differences between mixtures and compounds
Iron and sulfur mixture
Iron sulfide (a compound)
How many different substances are present?
Is any heat released when making it?
Is it easy to separate back into elements?
Do the elements keep their original properties?

20. Are the following …elements, Compounds or Mixtures?

21. Salt - Element, Compound or Mixture?

22. Silver - Element, Compound or Mixture?

23. Oxygen - Element, Compound or Mixture?

24. Sea Water - Element, Compound or Mixture?

25. Copper - Element, Compound or Mixture?

26. Gravel - Element, Compound or Mixture?

27. Hydrogen - Element, Compound or Mixture?

28. Nitrogen - Element, Compound or Mixture?

29. Carbon Dioxide - Element, Compound or Mixture?

30. Air - Element, Compound or Mixture?

31. Water - Element, Compound or Mixture?

32. Petrol - Element, Compound or Mixture?

33. Sulfur - Element, Compound or Mixture?

34. Carbon - Element, Compound or Mixture?

35. Cola drink - Element, Compound or Mixture?

36. Mercury - Element, Compound or Mixture?

37. Gold - Element, Compound or Mixture?

38. Zinc - Element, Compound or Mixture?

39. Iron Filings - Element, Compound or Mixture?

40. Aluminium - Element, Compound or Mixture?

41. Copper Sulfate - Element, Compound or Mixture?

42. Rock Salt - Element, Compound or Mixture?

43. Can you think of any molecules that we have already seen?
A molecule is made up of two or more atoms chemically combined
Can you think of any molecules that we have already seen?

44. One atom of oxygen and two atoms of hydrogen make up each molecule of water

45. One atom of carbon and two atoms of oxygen make up each molecule of carbon dioxide