reactivity of metals

• describe oxidation

  gain of oxygen and loss of electrons
• describe reduction

  loss of oxygen and gain or electrons
• describe metal oxides

  oxidation reaction between metal and oxygen
• give equation between metal and acid

  metal + acid → salt + hydrogen
• give equation between metal and water

  metal + water → metal hydroxide + hydrogen
• give reactivity series

  potassium, sodium, lithium, calcium, magnesium, carbon, zinc, iron, hydrogen and copper
• describe reactions between metal and acid

  potassium, lithium, sodium and calcium - explosive reaction

  magnesium, zinc and iron - less explosive reaction

  copper - no reaction
• describe reactions between metals and water

  potassium, lithium, sodium and calcium - reaction

  zinc, iron and copper - no reaction
• describe extraction methods of metal oxides

  reduction with carbon or electrolysis
• give metals extracted from metal oxide using reduction with carbon

  metals less reactive than carbon - zinc, iron and copper
• give metals extracted from metal oxide through electrolysis

  metals more reactive than carbon - potassium, lithium, sodium, calcium and magnesium