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Francium (pronounced /ˈfrænsiəm/, FRAN-see-əm), formerly known as eka-caesium and actinium K, is a chemical element that has the symbol Fr and atomic number ...
en.wikipedia.org/wiki/Francium - Similar
This WebElements periodic table page contains Essential information for the element francium.
www.webelements.com/francium/ - Similar
Information about Francium - general properties, discovery, states, energies, appearance and characteristics.
www.chemicool.com/elements/francium.html - Similar
The Element Francium - Basic Physical and Historical Information.
education.jlab.org/itselemental/ele087.html - Similar
chemical properties, health and environmental effects of francium.
www.lenntech.com/periodic/elements/fr.htm - Similar
Basic information, atomic structure, and isotopes table.
www.chemicalelements.com/elements/fr.html - Similar
Dec 15, 2003 ... Francium, the heaviest known member of the alkali metals series, occurs as a result of an alpha disintegration of actinium. ...
periodic.lanl.gov/elements/87.html - Similar
Its a pity its not Francium though. Apparently there is only ever about 30g of it in existence, in the whole world, which is a pity, as i'd love to get ...
www.youtube.com/watch?v=SjowQJMS-W4 - Similar
Feb 22, 2007 ... Comprehensive information for the element Francium - Fr is provided by this page including scores of properties, element names in many ...
environmentalchemistry.com/yogi/periodic/Fr.html - Similar
Francium is the heaviest of the alkali metals and closely resembles cesium in its chemical properties. It is the most electropositive element. ...
hyperphysics.phy-astr.gsu.edu/hbase/pertab/Fr.html - Similar
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