Chemistry topic 3

• Metal Ores

  A rock which contains enough metal to make it economically worth while.
• Ores

  Found in rock can be mined and the metals can be extracted from the ores.
• The blast Furnace

  A container used to extract iron from its ore.
• Oxidation

  Loss of electrons
• Reduction

  Gain of electrons
• Anode

  Iodine ions

  positive electrode

  Lose electrons
• Cathode

  Aluminium Ions

  Negative electrode

  Gain electrons
• Types of metals

  1. steel
  2. Aluminium
  3. copper
  4. titanium
• Alloys

  Mixture of metal and other element.
• Transition elements

  Middle of the periodic table they are strong metals
• Electrolysis

  The breakdown of a compound using an electric current.
• Electrolyte

  A substance in solution will conduct an electric current.
• How can we see reactivate in a metal

  Temperature change
• Oxidation

  Gaining oxygen
• Reduction

  loss of oxygen
• How can reduction happen

  Adding carbon to reduce oxygen
• Soluble

  Dissolve in water
• Insoluble

  does not dissolve in water