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Text File  |  1992-08-12  |  409b  |  14 lines
  1.                                     CERIUM
  2. Atomic symbol - Ce
  3. Atomic weight - 140.115
  4. Atomic number - 58
  5. Electron configuration - 2-8-18-20-8-2
  6. Oxidation states - +3, +4
  7. State of matter - solid
  8. Heavy metal-brittle
  9. Discovered in 1803 by Jöns Jacob Berzelius and Wilhelm Hisinger 
  10. Boils at 3257 °C, melts at 798 °C
  11.  
  12. Notes:
  13. Cerium is an iron grayish color that is about as soft and ductile as tin. 
  14.