1. The Molecular Model Lab
MML
The Molecular Model Lab

2. INFORMATION The following information will be on the board
the number of the model
the model
the name of the molecule
the location of the atoms

3. INFORMATION The following information will be on the board
the number of the model
the model PPBPP
the name of the molecule
the location of the atoms

4. INFORMATION The following information will be on the board
the number of the model
the model PPBPP
P = Purple
B = Black
the name of the molecule
the location of the atoms

5. INFORMATION The following information will be on the board
the number of the model
the model PPBPP
P = Purple
B = Black
Bl = Blue
the name of the molecule
the location of the atoms

6. INFORMATION The following information will be on the board
the number of the model
the model PPBPP
P = Purple
B = Black
Bl = Blue
the name of the molecule Carbon Tetrafluoride
the location of the atoms

7. INFORMATION The following information will be on the board
the number of the model
the model PPBPP
P = Purple
B = Black
Bl = Blue
the name of the molecule Carbon Tetrafluoride
the location of the atoms P = 2 – 7A
B = 2 – 4A

8. INFORMATION
1. Carbon Tetrafluoride PPBPP P = 2 – 7A B = 2 – 4A

9. STEP 1
Build the Model

10. STEP 1
Build the Model
It only fits one way

11. STEP 1 Build the Model It only fits one way
It must be complete, everything must be filled, nothing can be empty.

12. STEP 1 Build the Model It only fits one way
It must be complete, everything must be filled, nothing can be empty.
There are NO RINGS in this lab.

13. STEP 1 Build the Model It only fits one way
It must be complete, everything must be filled, nothing can be empty.
There are NO RINGS in this lab.

14. STEP 1 Build the Model It only fits one way
It must be complete, everything must be filled, nothing can be empty.
There are NO RINGS in this lab.

15. STEP 1

16. STEP 1 Build the Model It only fits one way
It must be complete, everything must be filled, nothing can be empty.
ONLY USE THE LONGER CONNECTORS WHEN YOU HAVE TO! When you can’t build the molecule without them.

17. STEP 1 ONLY USE THE LONGER CONNECTORS WHEN YOU HAVE TO!
When you can’t build the molecule without them.

18. STEP 2
Identify the Atoms in the molecule using the Periodic Table

19. STEP 2
Identify the Atoms in the molecule using the Periodic Table

20. STEP 2
Identify the Atoms
in the molecule using the Periodic Table

21. STEP 2
Identify the Atoms
in the molecule
using the Periodic Table

22. STEP 2 Identify the Atoms PPBPP Carbon Tetrafluoride P = 2 – 7A
B = 2 – 4A

23. STEP 2
Identify the Atoms
Carbon Tetrafluoride
P = 2 – 7A
B = 2 – 4A

24. STEP 2
Identify the Atoms
P = 2 – 7A
B = 2 – 4A

25. Period Number – Family Number
STEP 2
Identify the Atoms
P = 2 – 7A
B = 2 – 4A
Period Number – Family Number

26. STEP 2
Identify the Atoms
P = 2 – 7A = Fluorine

27. STEP 2
Identify the Atoms
B = 2 – 4A = Carbon

28. STEP 2
Identify the Atoms
P = 2 – 7A = Fluorine
B = 2 – 4A = Carbon

29. STEP 3 Identify the atomic symbol of each atom P = 2 – 7A = Fluorine
B = 2 – 4A = Carbon

30. STEP 3 Identify the atomic symbol of each atom P = 2 – 7A = Fluorine
B = 2 – 4A = Carbon

31. STEP 3 Identify the atomic symbol of each atom
P = 2 – 7A = Fluorine = F
B = 2 – 4A = Carbon = C

32. Step 3
Fluorine = F
Carbon = C

33. STEP 4
Draw the molecule.
Identify each atom with its atomic symbol

34. THE SHAPE IS VERY IMPORTANT!!!!
STEP 4
Draw the molecule.
Identify each atom with its atomic symbol
NEATNESS COUNTS!
THE SHAPE IS VERY IMPORTANT!!!!

35. STEP 4
Draw the molecule.
Identify each atom with its atomic symbol

36. STEP 4 P = Purple = 2 – 7A = Fluorine = F
B = Black = 2 – 4A = Carbon = C

37. STEP 4
P = Purple = Fluorine = F
B = Black = Carbon = C

38. STEP 4
Purple = F
Black = C

39. STEP 5 Write the chemical formula of the molecule.
There is an order to the chemical formula…..

40. STEP 5
There is an order to the chemical formula…..
Carbon goes first

41. STEP 5 There is an order to the chemical formula….. Carbon goes first
Hydrogen goes second

42. STEP 5 There is an order to the chemical formula….. Carbon goes first
Hydrogen goes second
Oxygen goes third

43. STEP 5 There is an order to the chemical formula….. Carbon goes first
Hydrogen goes second
Oxygen goes third
then Everything Else!

44. STEP 5 There is an order to the chemical formula…..
Carbon…Hydrogen…Oxygen…Everything Else!
You must count each type of atom and write its subscript number.

45. STEP 5 There is an order to the chemical formula…..
Carbon…Hydrogen…Oxygen…Everything Else!
You must count each type of atom and write its subscript number.

46. STEP 5 There is an order to the chemical formula…..
Carbon…Hydrogen…Oxygen…Everything Else!
You must count each type of atom and write its subscript number.
SIMPLE RULE…never write 1 as a subscript number

47. CF4 STEP 5 There is an order to the chemical formula…..
Carbon…Hydrogen…Oxygen…Everything Else!
You must count each type of atom and write its subscript number.
SIMPLE RULE…never write 1 as a subscript number
One carbon and four fluorines…no oxygen or hydrogen
CF4

48. REVIEW
Information PPBPP Carbon Tetrafluoride P = 2 – 7A B = 2 – 4A

49. REVIEW Information PPBPP STEP 1 - Build the Model Carbon Tetrafluoride
P = 2 – 7A
B = 2 – 4A
STEP 1 - Build the Model

50. REVIEW Information PPBPP STEP 1 - Build the Model
Carbon Tetrafluoride
P = 2 – 7A
B = 2 – 4A
STEP 1 - Build the Model
STEP 2 - Identify the Atoms
P = 2 – 7A = Fluorine
B = 2 – 4A = Carbon

51. REVIEW PPBPP P = 2 – 7A = Fluorine Fluorine = F Information
Carbon Tetrafluoride
P = 2 – 7A
B = 2 – 4A
STEP 1 - Build the Model
STEP 2 - Identify the Atoms
P = 2 – 7A = Fluorine
B = 2 – 4A = Carbon
STEP 3 - Atomic Symbol
Fluorine = F
Carbon = C

52. REVIEW PPBPP P = 2 – 7A = Fluorine Fluorine = F Information
Carbon Tetrafluoride
P = 2 – 7A
B = 2 – 4A
STEP 1 - Build the Model
STEP 2 - Identify the Atoms
P = 2 – 7A = Fluorine
B = 2 – 4A = Carbon
STEP 3 - Atomic Symbol
Fluorine = F
Carbon = C
STEP 4 – Draw the Molecule

53. REVIEW PPBPP P = 2 – 7A = Fluorine Fluorine = F Information
Carbon Tetrafluoride
P = 2 – 7A
B = 2 – 4A
STEP 1 - Build the Model
STEP 2 - Identify the Atoms
P = 2 – 7A = Fluorine
B = 2 – 4A = Carbon
STEP 3 - Atomic Symbol
Fluorine = F
Carbon = C
STEP 4 – Draw the Molecule
STEP 5 – Chemical Formula
CF4

54. STEP 6
Draw each atom in the molecule ONCE!

55. STEP 6
Draw each atom
in the molecule
ONCE!

56. STEP 6
Draw each atom
in the molecule
ONCE!

57. STEP 6
Draw each atom
in the molecule
ONCE!
Draw C and F
ONCE!!!!!!!!!

58. STEP 6
Draw each atom in the molecule ONCE!
Electrons!!!

59. STEP 6 Draw each atom in the molecule ONCE! Use the correct electron
Identify each atom with its atomic symbol

60. STEP 6 Draw each atom in the molecule ONCE! Use the correct electron.
Identify each atom with its atomic symbol.

61. STEP 7
DRAW the molecule WITH electrons.

62. STEP 7 DRAW the molecule WITH electrons.
Make sure every atom is HAPPY.

63. STEP 7 DRAW the molecule WITH electrons.
Make sure every atom is HAPPY.
Every atom needs 8 electrons in its LAST energy level…

64. STEP 7 DRAW the molecule WITH electrons.
Make sure every atom is HAPPY.
Every atom needs 8 electrons in its LAST energy level…
EXCEPT Hydrogen that needs 2

65. STEP 7 DRAW the molecule WITH electrons.
Make sure every atom is HAPPY.
Every atom needs 8 electrons in its LAST energy level…
EXCEPT Hydrogen that needs 2
8 and 2, magic numbers, happy atoms have a magic number of electrons in their last energy level.

66. STEP 7
DRAW the molecule WITH electrons.
Make sure every atom is HAPPY.
Every atom needs 8 electrons in its LAST energy level…
EXCEPT Hydrogen that needs 2
8 and 2, magic numbers, happy atoms have a magic number of electrons in their last energy level.
Every connector, small or big, represents a SHARED, PAIR of ELECTRONS!

67. STEP 7
Every connector, small or big, represents a SHARED, PAIR of ELECTRONS!
Atoms share electrons to be HAPPY

68. STEP 7
Every connector, small or big, represents a SHARED, PAIR of ELECTRONS!

69. STEP 7
Every connector, small or big, represents a SHARED, PAIR of ELECTRONS!
One electron from Carbon one from Fluorine

70. STEP 7
Every connector, small or big, represents a SHARED, PAIR of ELECTRONS!
One electron from Carbon one from Fluorine

71. STEP 7

72. STEP 7

73. STEP 7

74. STEP 7

75. STEP 7
COUNT

76. STEP 7

77. STEP 7
NO NEW ELECTRONS WERE ADDED

78. STEP 7
All atoms have 8 electrons in their last energy level