AS level Chemistry F331 Notes

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  • Created by: meg
  • Created on: 14-05-13 19:04
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  • Mendeleev
    • Arranged the known elements in order of RAM (now ordered by atomic number)
    • Elements with similar physical & chemical properties were in the same group e.g. metals with low boiling points
    • He swapped other elements over if he thought they fitted into another group better based on their properties.
    • He left gaps for elements he thought were yet to be discovered
    • He made predictions about the properties of elements yet to be discovered, later they were found to be very close to the actual properties

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