Francium - Wikipedia
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 actinium K after the natural …
Francium - Element information, properties and uses | Periodic …
Element Francium (Fr), Group 1, Atomic Number 87, s-block, Mass [223]. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Francium | Radioactive, Alkali Metal, Rare | Britannica
francium (Fr), heaviest chemical element of Group 1 (Ia) in the periodic table, the alkali metal group. It exists only in short-lived radioactive forms. Natural francium cannot be isolated in …
Francium: Facts about the elusive radioactive element
Jul 26, 2022 · Francium — the 87th element on the periodic table — is a naturally occurring, but incredibly rare, radioactive element. It forms and decays extremely quickly, so it has no …
Francium Facts (Atomic Number 87 or Fr) - ThoughtCo
Nov 4, 2019 · Francium is a highly radioactive alkali metal with the atomic number 87 and element symbol Fr. Although it occurs naturally, it decays so quickly it's very rare. In fact, scientists …
Francium | History, Uses, Facts, Physical & Chemical Characteristics
Francium is the shiny metal in its pure state and exist in liquid form at room temperature rather than a solid. Francium belongs to alkali group of the periodic table so its physical properties …
Meet Francium - The Element So Radioactive That It Hardly Exists
Oct 15, 2024 · As it happens, the metal’s only naturally-occurring isotope - francium-223 - forms during the radioactive decay of actinium.
Francium: Element 87 - Properties, History, and Uses
Francium is a highly radioactive element with the atomic number 87, belonging to the alkali metal group in the periodic table. Its general importance is more academic and research-based than …
Francium (Fr) - Periodic Table
Francium is the 87th element in the periodic table and has a symbol of Fr and atomic number of 87. It has an atomic weight of (223) and a mass number of 197. Francium has eighty-seven …
Francium - Periodic Table
Francium - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of the chemical elements.