inorganic chemistry

• reactivity series:

  potassium

  sodium

  Lithium

  Calcium

  magnesium

  aluminium

  carbon

  zinc

  iron

  hydrogen

  copper

  silver

  gold
• ways to prevent rusting

  • barrier: painting / coating with plastic; oiling / greasing
  • sacrificial method: placing a more reactive metal with the iron, such as zinc, which will react with water and oxygen instead