• It's Elemental - The Element Promethium

      education.jlab.org/itselemental/ele061.html The Element Promethium - Basic Physical and Historical Information
    • Promethium - Chemicool

      www.chemicool.com/elements/promethium.html Promethium was named after Prometheus, the Greek Titan who created humans from clay and gave them the ability to use fire.
    • promethium (Pm) | chemical element | Britannica.com

      www.britannica.com/science/promethium Promethium (Pm), chemical element, the only rare-earth metal of the lanthanide series of the periodic table not found in nature on Earth.
    • promethium Facts, information, pictures | Encyclopedia.com ...

      www.encyclopedia.com/topic/promethium.aspx PROMETHIUM (REVISED) Note: This article, originally published in 1998, was updated in 2006 for the eBook edition. Overview. Promethium is one of the most fascinating ...
    • Promethium | Define Promethium at Dictionary.com

      dictionary.reference.com/browse/promethium (prə-mē'thē-əm) Symbol Pm A radioactive metallic element of the lanthanide series. Promethium does not occur in nature but is prepared through the fission of uranium.
    • Promethium (Pm) - Chemical properties, Health and ...

      www.lenntech.com/periodic/elements/pm.htm Promethium. Promethium is a rare-earth metal that emits beta radius. It is very radoiactive and rare, so it is little studied: its chemical and physical properties ...
    • Promethium - Los Alamos National Laboratory

      periodic.lanl.gov/61.shtml History. Named after the Greek Prometheus, who, according to mythology, stole fire from heaven. In 1902 Branner predicted the existence of an element between ...