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0:17:09
9 Attractive Forces in Compounds
0:33:38
1 Equations for Chemical Reactions
0:20:25
2 Types of Reactions
0:31:43
6 Lewis Structures for Molecules and Polyatomic Ions
0:17:59
7 Electronegativity and Bond Polarity
0:28:44
8 Shapes and Polarity of Molecules
0:33:55
4 Polyatomic Ions
0:22:24
5 Molecular Compounds
0:29:13
3 Naming and Writing Ionic Compounds
0:20:07
1 Ions
0:11:16
2 Writing Formulas for Ionic Compounds
0:35:57
7 Electron Configurations
0:29:04
8 Trends in Periodic Properties
0:07:40
3 The Atom
0:26:40
6 Electron Energy Levels
0:26:43
5 Isotopes and Atomic Mass
0:10:38
4 Atomic Number and Mass Number
0:16:20
2 The Periodic Table
0:08:53
1 Elements and Symbols
0:13:11
5 Energy and Nutrition
0:10:13
4 Energy
0:18:22
3 Temperature
0:52:32
7 Changes of State
0:16:25
6 Energy and Specific Heat
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