Periodic Table of Elements

Element Americium - Am

Comprehensive data on the chemical element Americium is provided on this page; including scores of properties, element names in many languages, most known nuclides of Americium. 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 Americium

Americium's Name in Other Languages

  • Latin: Americium
  • Czech: Americium
  • Croatian: Americij
  • French: Américium
  • German: Amerizium - s
  • Italian: Americio
  • Norwegian: Americium
  • Portuguese: Amerício
  • Russian: Америций
  • Spanish: Amerício
  • Swedish: Americium

Atomic Structure of Americium

Chemical Properties of Americium

Physical Properties of Americium

Regulatory / Health

  • CAS Number
    • 7440-35-9
  • 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: Glen T. Seaborg, R. A. James, L. O. Morgan, A. Ghiorso
    • Discovery Location: Chicago Illinois United States
    • Discovery Year: 1944
    • Name Origin:
      From America by analogy with europium.
    • Abundance of Americium:
      • Earth's Crust/p.p.m.: N/A
      • Seawater/p.p.m.: nil
      • Atmosphere/p.p.m.: N/A
      • Sun (Relative to H=1E12): N/A
    • Sources of Americium:
      Produced by bombarding plutonium with neutrons. Total world production is probably around a few kilograms per year.
    • Uses of Americium:
      In the past Americium was used as a source of radiation for radiography.
    • Additional Notes:
      Americium is normally never encountered out side of the lab. It is extremely dangerous because of its intense alpha radiation.

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