Description: Francium Element Specifications:
Element Name: Francium
Element Symbol: 87
Element Number: 87
Element Mass: 223.00000
Element Boiling Point: 677.00 °C
Element Melting Point: 27.00 °C
Element Proton Count: 87
Element Electron Count: 87
Element Neutron Count: 136
Element Density (g/cm³): 0.00000
Element Color (estimate): Unknown