What is the symbol? Fr
What is the atomic number? 87
What is the atomic weight? 223
What is the melting point in Celsius? 27
What is the boiling point in Celsius? 677
What is the density (g/cm3)?
What year was it discovered? 1939
Who discovered the element? Marguerite Catherine Perey
What group is the element in? 1
What is the electron configuration? [Rn] 7s1
What is the ionization energy? 4.0727
What element category is it in? Alkali metals
Where is Francium Found?
Francium occurs as a result of an alpha disintegration of actinium. It can also be made artificially by bombarding thorium with protons.
What is Francium Used For?
No weighable quantity of the element has been prepared or isolated. The chemical properties of francium most resemble cesium. Therefor there are no real uses.