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Visual Elements: Francium -
Image, general and physical information, and key isotopes.
http://www.chemsoc.org/viselements/pages/francium.html ChemGlobe: Francium -
Electronic, thermal, and steric data along with an isotope table.
http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/87.html LANL: Francium -
Basic information and history.
http://periodic.lanl.gov/elements/87.html It's Elemental: Francium -
Basic physical and historical information.
http://education.jlab.org/itselemental/ele087.html Francium -
Isotopes, natural occurrence, separation, analytical properties, applications, and bibliography.
http://www.geocities.com/andyscouse/pages/francium.htm ChemicalElements.com: Francium -
Basic information, atomic structure, and isotopes table.
http://www.chemicalelements.com/elements/fr.html WebElements: Francium -
Extensive information on history and properties.
http://www.webelements.com/francium/ Francium Spectroscopy -
Research group at the State University of New York at Stony Brook. History, facts, trapping information, and production.
http://fr.physics.sunysb.edu/francium_news/frconten.htm EnvironmentalChemistry.com: Francium -
Atomic structure, chemical and physical properties, and table of nuclides.
http://environmentalchemistry.com/yogi/periodic/Fr.html Lenntech: Francium -
Physical data and chemical properties.
http://www.lenntech.com/Periodic-chart-elements/Fr-en.htm Wikipedia: Francium -
Properties of the element, including its history and characteristics.
http://en.wikipedia.org/wiki/Francium
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