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Grade 9 Chemistry
Class
Hailegebreil Gebale
Access code required
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Lessons
Here is the class outline:
1. Structure of atom
30 min
Unit one |
2. ATOMIC THEORY
30 min
unit 1 |
3. MODERN ATOMIC THEORY DISCOVERIES OF THE FUNDAMENTAL SUBATOMIC PARTICLES AND THE ATOMIC NUCLEUS
35 min
UNIT 1 |
4. PROPERTIES OF CATHODE RAYS
35 min
UNIT 1 |
5. CHARGE AND MASS OF AN ELECTRON
35 min
UNIT 1 |
6. DISCOVERY OF THE ATOMIC NUCLEUS
35 min
UNIT 1 |
7. DISCOVERY OF THE ATOMIC NUCLEUS
40 min
UNIT 1 |
8. Discovery of Neutrons and protons
40 min
unit 1 |
9. COMPOSITION OF AN ATOM AND ISOTOPES
40 min
unit 1 |
10. Atomic Mass and Number
40 min
unit 1 |
11. Atomic Mass and Number
40 min
unit 1 |
12. ISOTOPES
45 min
unit 1 |
13. AVERAGE ATOMIC MASS
45 min
unit 1 |
14. 1.4 ATOMIC MODELS
40 min
|
15. Ernest Rutherford
35 min
|
16. Niels Bohr
30 min
|
17. QUANTUM MECHANICAL MODEL OF ATOM
30 min
|
18. The Quantum Mechanical Model cont...
30 min
|
19. Electron Configurations
30 min
|
20. Rules Governing Electron Configuration
30 min
|
21. UNIT ONE SUMMARY
40 min
unit 1 |
22. UNIT ONE SUMMARY
40 min
unit 1 |
23. UNIT ONE SUMMARY
40 min
unit 1 |
24. UNIT ONE SUMMARY
40 min
unit 1 |
25. Atomic StructureREVIEW LESSON |
26. Discovery of Subatomic ParticlesREVIEW LESSON |
27. Subatomic ParticlesREVIEW LESSON |
28. Atomic Structure of IsotopesREVIEW LESSON |
29. Bohr’s Atomic TheoryREVIEW LESSON |
30. Electronic Configuration of an AtomREVIEW LESSON |
31. Periodic Classification of the Elements
45 min
unit 2 |
32. THE MODERN PERIODIC TABLE
45 min
unit 2 |
33. NEWLAND’S LAW OF OCTAVES
45 min
unit 2 |
34. Mendeleev’s Periodic Law
50 min
UNIT 2 |
35. The Modern Periodic Law
45 min
unit 2 |
36. The Modern Periodic Law
45 min
unit 2 |
37. CHARACTERISTICS OF GROUPS AND PERIODS
50 min
unit 2 |
38. GROUPS OR FAMILIES
45 min
unit 2 |
39. CLASSIFICATION OF THE ELEMENTS
45 min
unit 2 |
40. CLASSIFICATION OF THE ELEMENTS
45 min
unit 2 |
41. .Rare-Earth Elements: f-block elements
45 min
unit 2 |
42. PERIODIC PROPERTIES IN THE PERIODIC TABLE
45 min
unit 2 |
43. PERIODIC PROPERTIES IN THE PERIODIC TABLE
45 min
unit 2 |
44. Summary of Periodic Table Properties of Elements
45 min
unit 2 |
45. Rutherford Atomic TheoryREVIEW LESSON |
46. Periodic Classification of Elements
45 min
UNIT SUMMARY |
47. Periodic Classification of Elements
45 min
UNIT SUMMARY |
48. Periodic Classification of Elements
45 min
UNIT SUMMARY |
49. Periodic Classification of ElementsREVIEW LESSON |
50. Periodic Classification of ElementsREVIEW LESSON |
51. The Modern Periodic TableREVIEW LESSON |
52. Trends in Modern Periodic TableREVIEW LESSON |
53. Trends in Modern Periodic TableREVIEW LESSON |
54. Characteristics of triads of J.W. Dobereiner.REVIEW LESSON |
55. Periodic Law:REVIEW LESSON |
56. Chemical Bonding andIntermolecular Forces
50 min
unit 3 |
57. Chemical Bonding and Inter molecular Forces
45 min
unit 3 |
58. Ionic Bonds
50 min
unit 3 |
59. Determining the Formula of an Ionic Compound
50 min
unit 3 |
60. general Properties of ionic compounds
45 min
unit 3 |
61. Covalent bond
45 min
unit 3 |
62. Types of Covalent Bonds
45 min
UNIT 3 |
63. POLARITY IN COVALENT MOLECULES
45 min
UNIT 3 |
64. Coordinate (Dative Covalent) Bonding
45 min
UNIT 3 |
65. General Properties of Covalent Compounds
45 min
UNIT 3 |
66. Metallic bond
45 min
UNIT 3 |
67. Intermolecular forces of attraction
45 min
UNIT 3 |
68. Ionic Bond or Electrovalent Bondreview lesson |
69. Covalent Bondsreview lesson |
70. Metallic BondREVIEW LESSON |
71. Metallic BondREVIEW LESSON |
72. Metallic BondREVIEW LESSON |
73. Metallic BondREVIEW LESSON |
74. Chemical reaction
45 min
unit 4 |
75. Fundamental Chemical Laws
45 min
unit 4 |
76. chemical equation
45 min
unit 4 |
77. Balancing by inspection method
45 min
unit 4 |
78. Balancing Equations by Least Common Multiple( LCM)
45 min
UNIT 4 |
79. Energy Changes in Chemical Reactions
45 min
UNIT 4 |
80. Energy Changes in Chemical ReactionsUNIT 4 |
81. Types of Chemical ReactionsUNIT 4 |
82. Classifying Chemical ReactionsUNIT 4 |
83. Mass-Mass Stoichiometryunit 4 |
84. Mole-Mass and Mass-Mass Calculationsunit 4 |
85. Mole-Mole Relationships in Chemical Reactionsunit 4 |
86. Volume-Volume Stoichiometryunit 4 |
87. Mass-Volume and Volume-Mass Stoichiometryunit 4 |
88. Mass-Volume and Volume-Mass Stoichiometryunit 4 |
89. Mass-Volume and Volume-Mass Stoichiometryunit 4 |
90. limiting and excess reactantsunit 4 |
91. Theoretical and Actual Yieldsunit 4 |
92. Oxidation-Reduction Reactionsunit 4 |
93. Oxidizing and Reducing Agentsunit 4 |
94. Reaction Rateunit 4 |
95. Factors that Affect the Rate of Reactionsunit 4 |
96. Factors that Affect Reaction Rateunit 4 |
97. Chemical Equilibriumunit 4 |
98. Chemical Reactionsreview lesson |
99. Types of Chemical ReactionsREVIEW LESSON |
100. Energy changes in chemical reactionsREVIEW LESSON |
101. StoichiometryREVIEW LESSON |
102. StoichiometryREVIEW LESSON |
103. Theoretical Yield and Percent YieldREVIEW LESSON |
104. Limiting reactant and reaction yieldsREVIEW LESSON |
105. Theoretical and Percent YieldREVIEW LESSON |
106. The Kinetic Theory of MatterUNIT 5 |
107. Properties of solids, liquids and gasesUNIT 5 |
108. Boyle's lawUNIT 5 |
109. Charles’s lawunit 5 |
110. Combined Gas Lawunit 5 |
111. The Ideal Gas Equationunit 5 |
112. Graham's lawunit 5 |
113. The Liquid Stateunit 5 |
114. Boyle's lawREVIEW LESSON |
115. Boyle's lawREVIEW LESSON |
116. Charles LawREVIEW LESSON |
117. Combined Gas LawREVIEW LESSON |
118. IDEAL GAS LAWREVIEW LESSON |
119. Graham’s Law of DiffusionREVIEW LESSON |
120. states of matterREVIEW LESSON |
121. The Solid Stateunit 5 |
122. state of matterREVIEW LESSON |
123. THE SOLID STATEREVIEW LESSON |
124. THE LIQUID STATEREVIEW LESSON |
125. GAS AND PLASMAREVIEW LESSON |
126. THE KINETIC MOLECULAR THEORYREVIEW LESSON |
127. ENERGY CHANGEREVIEW LESSON |
128. ENERGY CHANGEREVIEW LESSON |
129. STATES OF MATTER THE SOLID STATE |
130. The Ideal Gas Law |
131. GRAHAM’S LAW OF DIFFUSION AND EFFUSION |
132. The Liquid State |