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| Web Sites |
ChemGlobe: Promethium
Electronic, thermal, and steric data along with an isotope table.
http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/61.html
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ChemicalElements.com: Promethium
Basic information, atomic structure, and isotopes.
http://www.chemicalelements.com/elements/pm.html
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EnvironmentalChemistry.com: Promethium
Atomic structure, chemical and physical properties, and table of nuclides.
http://environmentalchemistry.com/yogi/periodic/Pm.html
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It's Elemental: Promethium
Basic physical and historical information.
http://education.jlab.org/itselemental/ele061.html
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LANL: Promethium
History, sources, uses, and properties.
http://periodic.lanl.gov/elements/61.html
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Lenntech: Promethium
Physical data, chemical properties, health and environmental effects.
http://www.lenntech.com/Periodic-chart-elements/Pm-en.htm
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Promethium
Data table and historic information.
http://www.scescape.net/~woods/elements/promethium.html
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Visual Elements: Promethium
Image, animation, source, uses, and ionisation energies.
http://www.chemsoc.org/viselements/pages/promethium.html
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WebElements: Promethium
Extensive information on history, uses, occurrence, compounds, and properties.
http://www.webelements.com/webelements/elements/text/Pm/key.html
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Wikipedia: Promethium
Properties of the element, including its history, applications, and characteristics.
http://en.wikipedia.org/wiki/Promethium
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