1. Starter
What are you made of?

2. Starter
Oxygen = 65%
Carbon = 18.5%
Hydrogen = 9.5%
Nitrogen = 3.2%

3. 100% Homework AFTAB Nabil ALDEN Poppy ALDRED Samuel ALKER Bonita
DENT Rhys
DURSLEY-SPOSITO Evie
FITZGERALD Finley
HARPER Harry
HARRISON Rio
HENRY Rhianna
JAMES Jaylen
JOHNSON Samuel
KAROUI-BARNETT Laila
LONG Evie
LONGLEY Ethan
MENDEZ Keira
MILES Cody
MOHAMED Sakaria
MORGAN Kaine
SANYANG Tumani
SIUPIENIUS Daniel
STONE Olivia
TREHARNE Corey
TSANGARI Ella
ZVICEVICIUS Nedas

4. Learning Objectives
TWWL – about atoms – State some key ideas about atoms – Describe how atoms are different to each other – Explain how atoms are positioned in the periodic table

5. Starter
What is an atom?

7. Atoms are the building blocks of everything!

8. There are this many atoms in your body!
7,000,000,000,000,000,000,000,000,000

9. What is this?

10. Periodic Table Look at your periodic table.
How many of the elements have you heard of?
What do you know about any of them?

11. All of the elements in the periodic table are different types of atom!

12. Periodic Table
The atoms are all different sizes and bond together to make everything around us!

13. Periodic Table Atoms are similar to Lego because…
Atoms are different to Lego because…

14. Periodic Table
Can you find any metals?

15. Periodic Table
METALS
NON-METALS

16. Periodic Table Song!

17. SPLAT!

18. SPLAT!
BOYS Vs. GIRLS

19. Oxygen!

20. Aluminium!

21. Hydrogen!

22. Magnesium!

23. Sodium!

24. Carbon!

25. Iron!

26. Krypton!

27. Titanium!

28. Vanadium!

29. Compound, element or mixture? How do you know?
Atoms
Compound, element or mixture? How do you know?

30. Atoms
Also discuss the difference between an atom and a molecule

31. Atoms

32. Compounds, Elements & Mixtures Match the diagram to the term!
EXT – How do you know?
Match the diagram to the term!

33. Compounds, Elements & Mixtures

34. Compounds, Elements & Mixtures

35. Compounds, Elements & Mixtures

36. Compounds, Elements & Mixtures

37. Compounds, Elements & Mixtures

38. Chemical Formula
The chemical formula of a compound tells you how many atoms of each element the molecule contains.
CO2

39. Which one is the correct formula for water?
Chemical Formula
Which one is the correct formula for water?
H2O
h2o
H2o
H2O
HO2
h2O

40. Which one is the correct formula for water?
Chemical Formula
Which one is the correct formula for water?
H2O
h2o
H2o
H2O
HO2
h2O

41. Each element has a particular letter
Chemical Formula
CO2
Each element has a particular letter

42. Chemical Formula
??????
CO2
??????

43. Chemical Formula
oxygen
CO2
carbon

44. The little number tells us the number of one particular atom
Chemical Formula
The little number tells us the number of one particular atom
CO2

45. Chemical Formula
The little number tells us the number of one particular atom
CO2
In this case, there are 2 oxygen atoms

46. Chemical Formula
CO2
If an atom doesn’t have a little number next to it, it means there is only 1 of it.

47. Chemical Formula He
Some atoms have 2 letters instead of just one.

48. These atoms have a lower case letter as the second letter.
Chemical Formula He
These atoms have a lower case letter as the second letter.

49. What’s the difference between these two?
Chemical Formula CO Co
What’s the difference between these two?

50. Chemical Formula
carbon CO Co
oxygen
cobalt

51. HOW MANY ATOMS?
H2O

52. HOW MANY ATOMS?
H2O
H =
O =

53. HOW MANY ATOMS?
H2O
H = 2
O = 1

54. HOW MANY ATOMS?
SO3

55. HOW MANY ATOMS?
SO3
S =
O =

56. HOW MANY ATOMS?
SO3
S = 1
O = 3

57. HOW MANY ATOMS?
H2SO4

58. HOW MANY ATOMS?
H2SO4
H = 2
S = 1
O = 4

59. HOW MANY ATOMS?
NaHCO3

60. HOW MANY ATOMS?
NaHCO3
Na = 1
H = 1
C = 1
O = 3

61. HOW MANY ATOMS?
BaCl2

62. HOW MANY ATOMS?
BaCl2
Ba = 1
Cl = 2

63. EXT – Write a definition of each!
Substance
Is it an atom?
Is it a molecule?
Is it an element?
Is it a compound?
Carbon dioxide
(CO2)
Nitrogen
(N2)
Neon
(Ne)
Oxygen
(O2)

64. Atoms NO YES Substance Is it an atom? Is it a molecule?
Is it an element?
Is it a compound?
Carbon dioxide
(CO2) NO
YES
Nitrogen
(N2)
Neon
(Ne)
Oxygen
(O2)

65. Chemical Formula O2

66. Chemical Formula O2 1

67. Chemical Formula O2 1 2

68. Chemical Formula
2O2
If we put a number in front of a molecule, it tells us how many of that molecule there are in total!

69. How many oxygen atoms are there now?
Chemical Formula
2O2
If we put a number in front of a molecule, it tells us how many of that molecule there are in total!
How many oxygen atoms are there now?

70. How many oxygen atoms are there now?
Chemical Formula
2O2
If we put a number in front of a molecule, it tells us how many of that molecule there are in total! 1
How many oxygen atoms are there now?

71. How many oxygen atoms are there now?
Chemical Formula
2O2
If we put a number in front of a molecule, it tells us how many of that molecule there are in total! 1 2
How many oxygen atoms are there now?

72. How many oxygen atoms are there now?
Chemical Formula
2O2
If we put a number in front of a molecule, it tells us how many of that molecule there are in total! 3 1 2
How many oxygen atoms are there now?

73. How many oxygen atoms are there now?
Chemical Formula
2O2
If we put a number in front of a molecule, it tells us how many of that molecule there are in total! 3 4 1 2
How many oxygen atoms are there now?

74. How many oxygen atoms are there now?
Chemical Formula
2O2
If we put a number in front of a molecule, it tells us how many of that molecule there are in total! 3 4 1 2
How many oxygen atoms are there now?

75. Chemical Formula
CO2

76. How many of each atom are there now?
Chemical Formula
2CO2
How many of each atom are there now?

77. Chemical Formula
2CO2
Carbon = 2
Oxygen = 4

78. HOW MANY ATOMS?
3H2O

79. HOW MANY ATOMS?
3H2O
H = 6
O = 3

80. HOW MANY ATOMS?
2SO3

81. HOW MANY ATOMS?
2SO3
S = 2
O = 6

82. HOW MANY ATOMS?
4H2SO4

83. HOW MANY ATOMS?
4H2SO4
H = 8
S = 4
O = 16

84. HOW MANY ATOMS?
3NaHCO3

85. HOW MANY ATOMS?
3NaHCO3
Na = 3
H = 3
C = 3
O = 9

86. HOW MANY ATOMS?
5AlCl3

87. HOW MANY ATOMS?
5AlCl3
Al = 5
Cl = 15

88. How many atoms are there in each molecule?
EXT – Use the periodic table to name all of the atoms. Can you name any of the molecules?
How many atoms are there in each molecule?

89. EXT – Write the correct version of each false answer!
Atoms!
EXT – Write the correct version of each false answer!
Atoms are tiny particles.
Atoms can be seen with a magnifying glass.
Atoms make up everything around us.
Atoms can be split into smaller units.
Matter is the name given to all the objects and materials around us.
Atoms are all the same.
Indivisible means that something can be separated.
Extenision questions