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