Completed
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                Lesson 1 -  Structure of atom (4 sessions)
            
            
            
        
        
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                Lesson 2 -  Periodic Table, PART I
            
            
            
        
        
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                Lesson 3 -  Periodic Table, PART II
            
            
            
        
        
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                Lesson 4 -  Introduction (chemical bond)
            
            
            
        
        
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                Lesson 5 - Covalent Bond
            
            
            
        
        
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                Lesson 6 -  Ionic Bond
            
            
            
        
        
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                Lesson 1 -  redox reaction
            
            
            
        
        
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                Lesson 2 - oxidation number
            
            
            
        
        
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                Lesson 3 - Cells and batteries
            
            
            
        
        
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                Lesson 1 - atom
            
            
            
        
        
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                Lesson 2 -galvanic cell
            
            
            
        
        
 
3.2 ionic bond.mp4
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