1. Chemical Bonding Objectives: Understand why compounds exist in nature.
Illustrate chemical bonding between elements using Lewis Dot structures.
Indentify and compare the two classes of compounds by their chemical and physical properties.
Identify and predict compound names and formulas by element’s location on the periodic table.

2. Lewis Dot Structures Lewis Dot Structures:
Illustrates valence electrons
for an atom.
Place electrons (dots) around
the elements symbol using
cardinal direction.
Do NOT pair electrons
up until you have to.
Element
# of valence electrons
Lewis Dot Structure Na 1 Mg 2 Si 4 S 6 He

3. Lewis Dot Structures

4. Explain how this picture illustrates ionic bonding?

5. Ionic Bonding (Lewis Dot Transfer)
Metal
(Lewis Dot)
Non-metal
Ionic Bonding (Lewis Dot Transfer)
Chemical Formula

6. Transfer of valence electrons from a metal atom to a non-metal atom.
Creates a metal ion (cation) and non-metal ion (anion) that are held together by electrostatic attractive forces (chemical bond)
Chemical bonds are intramolecular forces.
Formation of Ionic Compounds
Ionic Bonding

7. Intramolecular Forces
The ionic bond
The attractive force between the metal and non-metal ions in the compound.
Na Cl-

8. Chemical Bonding: 1.30.14 Due: Ionic Bonding Lab Objectives:
Identify and predict compound names and formulas by element’s location on the periodic table.

9. Ionic Compounds
The overall charge on any ionic compound is always zero.
The ratio of metal to non-metal ions has to equal zero

10. Naming Ionic Compounds

11. Chemical Bonding: 1.31.14 Due: Ionic Bonding Lab Objectives:
Identify and predict compound names and formulas by element’s location on the periodic table.

12. Ionic Compound Nomenclature
How do scientist name ionic compounds?
Binary Ionic Compounds: Simplest compounds, composed of two ions (cation and the anion)
Name the cation and the anion.
*Use flow-chart to help you name each ion in the compound.

13. Intramolecular Forces
The ionic bond
The attractive force between the metal and non-metal ions in the compound.
Na Cl-

14. Ions Oxidation number: The charge on an atom.
Some elements have a fixed oxidation number.
Primarily representative elements (tall groups on periodic table)
Some elements have multiple oxidation numbers.
Primarily transitional elements (short, middle groups on the periodic table).

15. Oxidation Numbers and Periodic Table

16. Naming Ionic Compounds

17. Chemical Bonding:
Infinite Campus Update: Periodic Table Exams (40pts.) Scientific Skills Study Guide (12pts.) Ionic Bonding Lab (18pts.) Objectives: Identify and predict compound names and formulas by element’s location on the periodic table.

18. Naming Ionic Compounds *Use flow chart to name ionic compounds*
KF :
Ba3N2 :
CuBr2 :
FeN :

19. Naming Ionic Compounds *Use flow chart to name ionic compounds*
KF : potassium fluoride
Ba3P2 : barium phosphide
CuBr2 : copper (II) bromide
FeN : iron (III) nitride

20. Chemical Bonding:
Infinite Campus Update: Scientific Skills Study Guide (12pts.) Ionic Bonding Lab (18pts.) Objectives: Identify and predict compound names and formulas by element’s location on the periodic table.

21. Bell Ringer a.Zn and O b. Ca and Sn c.Ca and Ar d. I and N
2. a. Mn3P b. Al2O3
a. Strontium Fluoride
b. Lead (IV) Phosphide

22. Naming Ionic Compounds

23. Naming Cations: Metals
Fixed Oxidation Number ( fixed charge)
Simply the name of the metal
Ex. Al3+ : aluminum ion
Multiple Oxidation Numbers (multiple charges)
Name of metal and roman numeral to identify what charge is being used.
Fe2+: iron (II) ion
Fe3+: iron (III) ion

24. Naming Anions: Non-metals
Non-metals only have a single oxidation # (charge) when becoming an anion.
It is the root word of the non-metal with an –ide ending.
Ex. Br 1- = Bromide
Ex. P3- = phosphide

25. Chemical Formula

26. Chemical Formula of Ionic Compounds
Write the symbol and charge for the cation and the anion.
If charges balance, then the ions are one to one in the formula.
If charges do not balance, then use the criss-cross method to establish the correct ratio of ions (subscripts) so they do balance out in the formula.

27. Types of Ions Monatomic Ions : 1 element makes-up the ion.
Polyatomic Ions:
2 or more elements
make-up an ion.

28. Mono or Poly Ions?
Na :
b. (S04)2- :
c. Cl 1-:
(PO3)3-: 28

29. Ionic Compounds a. Li (OH): b. Fe2(CO3)3 : Sodium Sulfate:
d. Chromium (II) Phosphate :

30. Determine the Chemical Formula
Aluminum Phosphide: Al2P3
2. Magnesium Chloride: MgCl2
3. Iron (III) Sulfide: Fe2S3
4. Chromium (II) Oxide: CrO
5. Nickel (II) Bromide: NiBr2

31. Chemical Bonding: 2.7.14 Objectives:
Identify and predict compound names and formulas by element’s location on the periodic table.
Ionic Bonding Gallery Walk
Homework:
Practice Naming/Formula of Ionic Compounds
Ionic vs. Covalent Compound Properties

32. Compare Monatomic vs. Polyatomic Ion
Monatomic Ions
Polyatomic Ions
Similarities

33. Ionic Compound: Name/Formula

34. Chemical Bonding: 2.7.14 Objectives:
Identify and predict compound names and formulas by element’s location on the periodic table.
Ionic Bonding Gallery Walk
Homework:
Practice Naming/Formula of Ionic Compounds
Ionic vs. Covalent Compound Properties

35. Chemical Compounds Venn Diagram
Ionic Compounds
Covalent Compounds
Similarities

36. Ionic Compound: Name/Formula Gallery Walk

37. Chemical Bonding: 2.10.14 Due: Ionic Compound Gallery Walk Objectives:
Ionic Compound Quiz
I can distinguish between the properties of ionic and covalent compounds.
Homework:
Ionic and Covalent Properties Lab

38. Ionic Compounds Quiz

39. Ionic Compounds Quiz Ionic Compounds Correction:
Explain your thoughts behind what you missed.
How it needs to be corrected.
*Can use notes, text, online resources to complete.
Due Tuesday

40. Ionic vs. Covalent Compounds Properties Lab
Annotate article and create Venn diagram distinguishing between ionic and covalent properties.
Complete pre-Lab questions. *Ticket into lab tomorrow. You will NOT participate if incomplete.
Read through lab procedures.

41. Chemical Compounds Venn Diagram
Ionic Compounds
Covalent Compounds
Similarities

42. Chemical Bonding: Homework:
Complete pre-Lab questions and read through lab. *Ticket into lab, NO exceptions!
Ionic Compound Quiz Corrections. Explain your thoughts behind what you missed and how it needs to be corrected.

43. Chemical Bonding: Exit Slip
1.Classify each compound below as ionic or covalent.
KCl CO
c. H2O
d. MgCl2

44. Chemical Bonding: 2.11.14 Due: Ionic Compounds Correction Quiz
Chemical Bonding Properties: Pre-Lab
Objectives:
I can investigate the properties of ionic and covalent compounds.
Ionic vs. Covalent Compound Properties Lab
Homework:
Ionic vs. Covalent Compound Properties Lab
Review Ionic Compound nomenclature

45. Chemical Bonding: 2.12.14 Due: Ionic Compounds Correction Quiz
Chemical Bonding Properties: Pre-Lab
Objectives:
I can investigate the properties of ionic and covalent compounds.
Ionic vs. Covalent Compound Properties Lab
Homework:
Ionic vs. Covalent Compound Properties Lab
Review Ionic Compound nomenclature

46. Chemical Compounds Venn Diagram
Ionic Compounds
Covalent Compounds
Similarities

47. Chemical Bonding: 2.13.14 Due:
Ionic vs. Covalent Compounds Properties Lab
Objectives:
I can investigate the properties of ionic and covalent compounds.
Ionic vs. Covalent Compound Properties Lab
Homework:
Review Ionic Compound nomenclature-quiz tomorrow!

48. Ionic Bonding Nomenclature
Derive the formula of these ionic compounds.
a. copper(I) sulfite
Derive the chemical name of the following ionic compounds.
a. Cr(NO3)3

49. Ionic vs. Covalent Cmpds. Properties
2nd
Properties
Grp 1
Grp 2
Grp 3
Grp 4
Grp 5
Grp 6
Grp 7
Grp 8
Solubility
Crystal Growth
Electrical
Conduction
Melting point time

50. Ionic vs. Covalent Cmpds. Properties
3rd
Properties
Grp 1
Grp 2
Grp 3
Grp 4
Grp 5
Grp 6
Grp 7
Grp 8
Solubility
Crystal Growth
Electrical
Conduction
Melting point time

51. Ionic vs. Covalent Cmpds. Properties
5th
Properties
Grp 1
Grp 2
Grp 3
Grp 4
Grp 5
Grp 6
Grp 7
Grp 8
Solubility
Crystal Growth
Electrical
Conduction
Melting point time

52. Chemical Bonding: 2.14.14 Due:
Ionic vs. Covalent Compounds Properties Lab
Objectives:
I can distinguish between ionic and covalent compounds.
Homework:
Covalent Compound Wksht.

53. Ionic vs. Covalent Cmpds. Properties
2nd
Properties
Grp 1
Grp 2
Grp 3
Grp 4
Grp 5
Grp 6
Grp 7
Grp 8
Solubility
Crystal Growth
Electrical
Conduction
Melting point time

54. Ionic vs. Covalent Cmpds. Properties
3rd
Properties
Grp 1
Grp 2
Grp 3
Grp 4
Grp 5
Grp 6
Grp 7
Grp 8
Solubility
Crystal Growth
Electrical
Conduction
Melting point time

55. Chemical Bonding Ionic Bonding:
Many times between a metal and a non-metal ion.
Transfer of valence electrons.
Electronegativity difference between bonded ions is large.
Ionic Bond = Intramolecular Forces
Covalent Bonding:
Between two non-metals atoms.
Share valence electron(s)
Electronegativity difference between bonded atoms is small.
Covalent Bond = Intramolecular Forces
Covalent compounds are also called molecules.

56. Electronegativity Values

57. Covalent Compounds Covalent compounds = molecules
When naming covalent compounds prefixes are primarily used. *Use flow chart*
Prefixes:
Mon(o)=1 atom Hexa = 6 atoms
Di= 2 atoms Hepta= 7 atoms
Tri= 3 atoms Octa= 8 atoms
Tetra= 4 atoms Nona= 9 atoms
Penta= 5 atoms Deca= 10 atoms

58. Chemical Bonding: 2.17.14 Infinite Campus Update Objectives:
Ionic Compound Nomenclature Quiz (9pts.)
Properties of Ionic and Covalent Compounds Lab (20pts.)
Objectives:
I can distinguish between the properties of ionic and covalent compounds.
I can identify and predict compound names and formulas by element’s location on the periodic table.

59. Chemical Bonding 1. Classify each compound below as ionic or covalent.
CO2 b. AlCl3 c. Mg3P2 d. H2 e. H2O
a. Which compounds above were formed from the transfer of ve-?
b. Which compounds above were formed from the sharing of ve-?

60. Chemical Bonding 1. Classify each compound below as ionic or covalent.
CO2 b. AlCl3 c. Mg3P2 d. H2 e. H2O
C I I C C
a. Which compounds above were formed from the transfer of ve-? All ionic compounds
b. Which compounds above were formed from the sharing of ve-? All covalent compounds
3. For those compounds that share ve-, identify which compounds have polar bonds and which have non-polar bonds. Covalent compounds that do NOT share bonded electrons equally. (CO2 and H20)

61. Properties of Chemical Compounds
Which kind of compounds conduct electricity when dissolved in water?

62. Properties of Ionic Compounds
7.2
Properties of Ionic Compounds
Ionic compounds can conduct an electric current when melted or dissolved in water.
When sodium chloride melts, the sodium and chloride ions are free to move throughout the molten salt. If a voltage is applied, positive sodium ions move to the negative electrode (the cathode), and negative chloride ions move to the positive electrode (the anode). Predicting What would happen if the voltage was applied across a solution of NaCl dissolved in water?

63. Tap Water Ground water produced the passageways at Mammoth Cave.
In so doing , it picks up many
regional minerals.

64. Properties of Chemical Compounds
7.2
Properties of Chemical Compounds
The orderly arrangement of atoms/ions produces beautiful crystalline structure.
Which compound from the lab produced crystals faster/slower?
The beauty of crystalline solids, such as these, comes from the orderly arrangement of their component ions.

65. Ionic Compounds: Crystal Lattice
Stronger attractive force between ions
Faster crystal growth.
Sodium cations and chloride anions form a repeating three-dimensional array in sodium chloride (NaCl). Inferring How does the arrangement of ions in a sodium chloride crystal help explain why the compound is so stable?

66. Covalent Compounds: Crystal Lattice
Weaker attractive forces between covalent compounds (molecules).
Slower crystal growth. o o o o C C C C

67. Melting Points of Compounds
Which has a higher melting point?
Does the table below prove or disprove your conclusion from the lab? Explain your answer.
Chemical Compounds
Melting Point (oC)
Boiling Point (oC)
Cr2O3
2,266
4,000
SrF2
1,470
2,489
CCl4
-22.9
76.6
CH4O
-97.8
64.7
Chemical Compounds Article

68. Properties of Chemical Compounds
Why do ionic compounds in general have
higher melting and boiling points?
stronger attractive forces between ions
Collection of Ionic Compounds Collection of Covalent Compounds

69. Properties of Chemical Compounds
Ionic Compounds are primarily solids at room temperature.
Molecules can be a solid, liquid, or gas at room temp. Examples: .
O2 and CH4
(C8H18)
(C8H8)

70. Properties of Chemical Compounds
Which type of compound do you think is more brittle when stress is applied to it?
Collection of Ionic Compounds Collection of Covalent Compounds

71. Properties of Ionic Compounds
Ionic crystals are brittle when stress is applied.
Repulsion increases when similar ions are force together. + - - - - + + + + + - - - - + + + +

72. Properties of Molecules
Molecules are more resilient (durable) than
ionic compounds.
Why?

73. Chemical Bonding Homework:
Complete/correct properties of ionic and covalent compound lab.
Review Covalent Compound Nomenclature
practice problems from webpage.
Complete three examples from 2 and 3 from wksht.

74. Chemical Bonding: 2.18.14 Infinite Campus Update Objectives:
Properties of Ionic and Covalent Compounds Lab (20pts.)
Objectives:
I can identify and predict compound names and formulas by element’s location on the periodic table.
I can illustrate covalent bonding using Lewis Dot structures.

75. Chemical Bonding: Bell Ringer
Classify as ionic or covalent.
CH b. CuO c. PBr d. K3N
Which of the above compounds would…
conduct electricity?
have a lower melting point?
crystallize faster out of solution?
d. have a lower electronegativity difference between bonded atoms?

76. Covalent Compounds Chemical name of covalent compounds CO2= P2O5 = O2=
2. Chemical formula of covalent compounds.
dihydrogen monoxide =
dinitrogen trioxide=
bromine=
*Diatomic molecules:

77. Covalent Compounds Chemical name of covalent compounds
CO2= carbon dioxde
P2O5 = diphosphorus pentoxide
O2= oxygen
2. Chemical formula of covalent compounds.
dihydrogen monoxide = H2O
dinitrogen trioxide= N2O3
bromine= Br2

78. Covalent Compounds Covalent compounds = molecules
When naming covalent compounds prefixes are primarily used. *Use flow chart*
Prefixes:
Mon(o)=1 atom Hexa = 6 atoms
Di= 2 atoms Hepta= 7 atoms
Tri= 3 atoms Octa= 8 atoms
Tetra= 4 atoms Nona= 9 atoms
Penta= 5 atoms Deca= 10 atoms

79. Chemical Bonding: 2.19.14 Infinite Campus Update Objectives:
Chemical Compounds/Properties Bell Ringer (8pts)
Objectives:
I can identify and predict compound names and formulas by element’s location on the periodic table.
I can illustrate covalent bonding using Lewis Dot structures.
I can distinguish between polar and non-polar covalent bonds.

80. Chemical Bonding: Bell Ringer
Classify as ionic or covalent.
CH b. CuO c. PBr d. K3N
(C ) (I ) (C ) ( I )
Which of the above compounds would…
conduct electricity? ionic
have a lower melting point? covalent
crystallize faster out of solution? ionic
d. have a lower electronegativity difference between bonded atoms? covalent

81. Electronegativity Values

82. Molecules: Lewis Dot Sharing
Molecular Formula
Lewis Dot Sharing
Molecular Structure
Polar or Non-polar Bonds?

83. Molecules: Lewis Dot Sharing
Molecular Formula
Lewis Dot Sharing
Molecular Structure
Polar or Non-polar Bonds?

84. Chemical Bonding: 2.20.14 Infinite Campus Update Objectives:
Chemical Compounds/Properties Bell Ringer (8pts)
Objectives:
I can identify and predict compound names and formulas by element’s location on the periodic table.
I can illustrate covalent bonding using Lewis Dot structures.
I can distinguish between polar and non-polar covalent bonds.
Homework: Chemical Bonding Study Guide
Unit Exam: Next Wednesday

85. Chemical Bonding: Polarity Bell Ringer
What does the penguin and the polar bear represent in the comic strip?
What does the ice cream scoops represent in the comic strip?
3. a. What did the iceberg represent?
b. What is the trend in electronegativity according to the iceberg illustration?
Explain using the illustrations the difference between polar and non-polar covalent bonds?

86. Electronegativity Values
webassign.net

87. Covalent Bonds
Polar Bonds: Where atoms do NOT share bonded electrons equally. Usually 2 different elements making up the bond. Ex. N----F bond
Non-Polar Bonds: Where atoms share bonded electrons equally or very close to it. Usually same elements.
Ex. O-----O
Prentice Hall KY Teacher Express, 2008 87

88. Chemical Bonding : Electronegativity Difference

89. Covalent Bonds
Polar Bonds: Where atoms do NOT share bonded electrons equally. Usually 2 different elements making up the bond. Ex. N----F bond
Non-Polar Bonds: Where atoms share bonded electrons equally or very close to it. Usually same elements.
Ex. O-----O
Prentice Hall KY Teacher Express, 2008 89

90. Electronegativity Values

91. Molecules: Lewis Dot Sharing
Molecular Formula
Lewis Dot Sharing
Molecular Structure
Polar or Non-polar Bonds?

92. Chemical Bonding: 2.21.14 Due: Molecular Structure Worksheet
Objectives:
I can distinguish between polar and non-polar covalent bonds. (Covalent Bonding Bell Ringer)
Chemical Bonding Review Gallery Walk
Homework: ( Due Mon.)
Complete Molecular Structure Worksheet
Chemical Bonding Open Response Qts.

93. Chemical Bonding Unit Objectives:
Understand why compounds exist in nature.
Illustrate chemical bonding between elements using Lewis Dot structures.
Indentify and compare the two classes of compounds by their chemical and physical properties.
Identify and predict compound names and formulas by element’s location on the periodic table.

94. Covalent Bonding: Bell Ringer
Classify the following covalent bonds as either polar or non-polar bonds using your electronegativity table.
a. O----O
b. C-----F
c. P-----H
d. S-----O
e. N------I

95. Covalent Bonds Polar Bonds:
Bonded electrons are not shared equally between the atoms. (polar bear and penguin)
Non-Polar Bonds:
Bonded electrons are shared equally or very close to it between the atoms. (two polar bears; two penguins)
Prentice Hall KY Teacher Express, 2008 95

96. Electronegativity Values
webassign.net

97. Chemical Bonding : Electronegativity Difference

98. Chemical Bonding: 2.21.14 Due: Molecular Structure Worksheet
Chemical Bonding Open Response Question
Objectives:
I can distinguish between polar and non-polar covalent bonds. (Covalent Bonding Bell Ringer)
Complete chemical bonding review.
Homework: ( Due Mon.)
Molecular Structure Worksheet Corrections
Review for Exam (Wednesday)

99. Chemical Bonding: 2.24.14 Due: Molecular Structure Worksheet
Objectives:
I can illustrate covalent bonding using Lewis Dot structures.
I can distinguish between polar and non-polar covalent bonds. (Covalent Bonding Bell Ringer)
Chemical Bonding Review Gallery Walk
Homework:
Complete Molecular Structure Worksheet
Review Study Guide-Test Wednesday

100. Molecules: Lewis Dot Sharing
Molecular Formula
SiO2
Lewis Dot Sharing
Molecular Structure
Molecular Name
Polar or Non-Polar Bonds? N2

101. Chemical Bonding: 2.25.14 Due: Chemical Bonding Review-Gallery Walk
Molecular Structure Worksheet (late)
Chemical Bonding Open Response Qts. (late)
Objectives:
Chemical Bonding Review
Conservation of Mass Lab –prep.
Homework:
Chemical Bonding Exam-tomorrow

102. Molecules: Lewis Dot Sharing
Molecular Formula
NCl3
Lewis Dot Sharing
Molecular Structure
Molecular Name
Polar or Non-Polar Bonds?
CS2

103. Molecules: Lewis Dot Sharing
Molecular Formula
NCl3
Lewis Dot Sharing
Molecular Structure
Molecular Name
Polar or Non-Polar Bonds?
CS2

104. Chemical Bonding Review

105. Law of Conservation Mass Lab
Purpose:
To review chemical nomenclature
To test the Law of Conservation of Mass

106. Law of Conservation Mass Lab

107. Covalent Bonds Polar Bonds:
Bonded electrons are not shared equally between the atoms. (polar bear and penguin)
Non-Polar Bonds:
Bonded electrons are shared equally or very close to it between the atoms. (two polar bears; two penguins)
Prentice Hall KY Teacher Express, 2008
107

108. Chemical Bonding Gallery Walk
If you are goofing off or not contributing to answers then you will be dismissed from walk and will work alone at desk.
I will take up answers to gallery walk today

110. Chemical Structure of Covalent Compounds
Non-metals atoms share valence electrons to reach stability. (Octet Rule)
Types of covalent bonds between two atoms:
Single Bond (share 2ve-)
Double Bond (share 4 ve-)
Triple Bond (share 6 ve-)

111. Chemistry Study Guide
Omit question number 18 on test.

112. ChemicalCompoundsReview
Ionic Compounds:
Transfer of valence electrons.
Usually a metal and a non-metal ion.
Covalent Compounds:
Sharing valence electrons.
Consists only of non-metals.

113. Ionic vs. Covalent Compounds

114. Metallic Bonding NOT on chemical bonding test.
Will discuss after test.

115. Metallic Bonding
What are some properties of Metallic Bonding?

116. Metallic Bonding