Description: Actinium Element Specifications:
Element Name: Actinium
Element Symbol: 89
Element Number: 89
Element Mass: 227.00000
Element Boiling Point: 3200.00 °C
Element Melting Point: 1050.00 °C
Element Proton Count: 89
Element Electron Count: 89
Element Neutron Count: 138
Element Density (g/cm³): 10.07000
Element Color (estimate): Silver