Periodic Table of Elements

Element Fermium - Fm

Comprehensive data on the chemical element Fermium is provided on this page; including scores of properties, element names in many languages, most known nuclides of Fermium. Common chemical compounds are also provided for many elements. In addition technical terms are linked to their definitions and the menu contains links to related articles that are a great aid in one's studies.

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Overview of Fermium

Fermium's Name in Other Languages

  • Latin: Fermium
  • Czech: Fermium
  • Croatian: Fermij
  • French: Fermium
  • German: Fermium - s
  • Italian: Fermio
  • Norwegian: Fermium
  • Portuguese: Férmio
  • Russian: Фермий
  • Spanish: Fermio
  • Swedish: Fermium

Atomic Structure of Fermium

Chemical Properties of Fermium

Physical Properties of Fermium

Regulatory / Health

  • CAS Number
    • 7440-72-4
  • NFPA 704
    • Health:
    • Fire:
    • Reactivity:
    • Special Hazard: Radioactive<
    • OSHA Permissible Exposure Limit (PEL)
      • No limits set by OSHA
    • OSHA PEL Vacated 1989
      • No limits set by OSHA
    • NIOSH Recommended Exposure Limit (REL)
      • No limits set by NIOSH
    • Levels In Humans:
      Note: this data represents naturally occuring levels of elements in the typical human, it DOES NOT represent recommended daily allowances.
      • Blood/mg dm-3: nil
      • Bone/p.p.m: nil
      • Liver/p.p.m: nil
      • Muscle/p.p.m: nil
      • Daily Dietary Intake: nil
      • Total Mass In Avg. 70kg human: nil

    Who / Where / When / How

    • Discoverer: G.R. Choppin, S.G. Thompson, A. Ghiorso and B.G. Harvey
    • Discovery Location: Berkeley Califorinia United States
    • Discovery Year: 1952
    • Name Origin:
      Named after the scientist Enrico Fermi.
    • Abundance of Fermium:
      • Earth's Crust/p.p.m.: nil
      • Seawater/p.p.m.: nil
      • Atmosphere/p.p.m.: nil
      • Sun (Relative to H=1E12): N/A
    • Sources of Fermium:
      Fm-253 can be produced in nanogram (10-9) quantities by bombarding Pu-239 with neutrons. Total world production is around 3E-6 grams.
    • Uses of Fermium:
    • Additional Notes:
      In 1952 Fermium was discovered in the debris of a thermonuclear test in the Pacific. Fermium would never be encountered normally and very few atoms have ever been produced.

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    A list of reference sources used to compile the data provided on our periodic table of elements can be found on the main periodic table page.

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