Term 3

• Strong acid

  Ionises completely in solution
• A strong acid, like HCl, ionises completely
• There are no HCl molecules left in the solution
• Weak acid


  Ionises only partially in solution
• Base

  Substance that can accept protons or donate electron pairs
• A base like NaOH dissociates in water
• A base like ammonia ionises in water to form ions