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francium

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Francium
Francium is a chemical element; it has symbol Fr and atomic number 87. It is extremely radioactive; its most stable isotope, francium-223 (originally called ... en.wikipedia.org
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Francium - Element information, properties and uses
Element 87 would be a reactive alkali metal, the heaviest member of the family lithium, sodium, potassium, rubidium and caesium. periodic-table.rsc.org
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Francium | Radioactive, Alkali Metal, Rare
francium (Fr), heaviest chemical element of Group 1 (Ia) in the periodic table, the alkali metal group. It exists only in short-lived ... www.britannica.com
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francium
francium Chem. (ˈfrænsɪəm) [mod.L. (M. Perey 1946, in Jrnl. de Chim. phys. XLIII. 157), f. Franc(e: see -ium.] A radioactive metallic element that is the heaviest member of the alkali-metal series and is chemically similar to cæsium; all its isotopes have short half-lives and only one (francium 223)... Oxford English Dictionary
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Chemical Properties of Francium
Francium is a highly radioactive metal, and since it exhibits a short half-life, it does not have more impact on the environment. Related Elements. Holmium ... byjus.com
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Francium (Fr) - Chemical properties, Health and ...
Francium is extremely rare. Because of this its chemical and physical properties are not known. It has been studied by radiochemical techniques. www.lenntech.com
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Francium compounds
Francium compounds are compounds containing the element francium (Fr). For example, francium chloride would be produced by the reaction of francium and chlorine. wikipedia.org
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Francium | Periodic Table | Thermo Fisher Scientific - ES
It is the last element to be discovered in nature and has the lowest electronegativity and electron affinity of all the elements. Francium is the second rarest ... www.thermofisher.com
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Francium
Francium was discovered by Marie Curie's former assistant Marguerite Perey in 1939 by studying the radioactive decay of Actinium. www.utoledo.edu
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#87 - Francium - Fr
Origin of Name, After the country France. Date and Place of Discovery, In 1839 at the Curie Institute in Paris, France. Discovered by, Marguerite Catherine ... hobart.k12.in.us
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Francium: Facts about the elusive radioactive element
Francium — the 87th element on the periodic table — is a naturally occurring, but incredibly rare, radioactive element. It forms and decays ... www.livescience.com
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Francium chloride
reaction of francium and chlorine gas. References Francium compounds chlorides wikipedia.org
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virginium
virginium Obs. exc. Hist. (vəˈdʒɪnɪəm) [f. Virginia, name of a state of the U.S. + -ium.] = francium.1932 F. Allison et al. in Jrnl. Amer. Chem. Soc. LIV. 615 We suggest the name virginium and the symbol Va for element 87. 1936 [see alabamine]. 1938 Encycl. Brit. Bk. of Year 145/1 The discovery of e... Oxford English Dictionary
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Francium hydroxide
Francium hydroxide is a hypothetical inorganic compound with a chemical formula FrOH. It is a hydroxide of francium. References Francium compounds Hydroxides Hypothetical chemical compounds wikipedia.org
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