Francium PowerPoint PPT Presentation

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Title: Francium


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Francium
  • Atomic number 87
  • Atomic mass 223
  • Symbol Fr
  • Discovered in 1939 in Paris by Mlle. Marguerite
    Perey.
  • Heaviest known metal in alkali series.
  • Less than one ounce of Francium located on
    earth.
  • Most unstable of the first 101 elements.
  • Highly radioactive.
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