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  1. Introduction - The periodic table - GCSE Chemistry (Single …

  2. Periodic Table - Edexcel GCSE Chemistry Revision Notes - Save …

  3. Periodic Table of Elements - AQA GCSE Chemistry Revision Notes

  4. GCSE Chemistry Periodic Table Explained - Save My Exams

  5. The periodic table - GCSE Chemistry (Single Science) - BBC

  6. The periodic table - AQA The modern periodic table - BBC

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