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SS3: CHEMISTRY - 2ND TERM

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  1. Quality of petrol (Octane Number)| Week 1
    1 Topic
    |
    1 Quiz
  2. Natural Gas | Week 2
    3 Topics
    |
    1 Quiz
  3. Introduction to Metals | Week 3
    3 Topics
    |
    1 Quiz
  4. The Alkali Metals | Week 4
    4 Topics
    |
    1 Quiz
  5. Alkaline Earth Metals | Week 5
    3 Topics
  6. Aluminium & Tin | Week 6
    2 Topics
  7. Transition Metals of the First Series | Week 7
    4 Topics
  8. Ethical, Legal & Social Issues | Week 8
    3 Topics
  9. Fats & Oils - Soaps & Detergents | Week 9
    4 Topics
  10. Giant Molecules | Week 10
    6 Topics



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The method applied in the extraction of a particular metal from its ore depends on the stability of its ore which in turn depends on the position of the element in the activity series. The table below summarises the reactivity, compound of element, and method of metal extraction.

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Evaluation Questions

  1. State any three physical properties of metals.
  2. Name two metals that are extracted from their ores by electrolysis
  3. Briefly describe the various methods of extraction of metals from their ores.

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