Reactivity series

• The reactivity series from most reactive at the top to least reactive at the bottom

  Potassium

  Sodium

  Lithium

  Calcium

  Magnesium

  Aluminium

  zinc

  Iron

  Copper sliver gold
• What happens if iron oxide is reacted with aluminium

  Aluminium replaces iron because it is more reactive therefore it would be:

  Iron oxide + aluminium ——> aluminium oxide + iron