The Development of the Periodic Table

  • Created by: ELLIE1114
  • Created on: 29-11-18 16:33
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  • The Developments of the Periodic Table
    • Dimitri Mendeleev
      • realised that some elements had yet to be discovered
      • each elements was positioned in a group with elements that had similar properties
      • created his table in 1869
      • left gaps in his table to allow for the undiscovered elements that he realised there was
      • used his periodic table to predict the properties of the new elements
      • once the subatomic particles had been discovered it was seen that he had oredered the elements in order of increasing atomic number


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