[Atom] AtomicRadius=2.6 EName=Francium ElectronConfiguration1= ElectronConfiguration2= FoundYear=1939 JName=フランシウム NameOrigin=フランス NameOrigin2=フランス Z=87 charge=0 mass=223 name=Fr [Busing] ai= bi= charge= ci= rad= [Material] BoilingPoint= Density= ElectronAffinity= HeatCapacity= IonizationPotential= MeltingPoint=