Topics for both SL and HL

• 9 Big picture about redox
  
• 3.2c Group 17 reactivity
  
• 9.1 Oxidation and reduction
  
• 9.1a Oxidation state and naming
  
• 9.1b Half equations
  
• 9.1c Balance acid and base equations
  
• 9.1d Activity series
  
• Redox titration (the Winkler method)
  
• 9.2 Electrochemical cells
  
• 9.2a Voltaic vs. electrolytic cells
  
• 9.2b How to draw?