Description: Thorium Element Specifications:
Element Name: Thorium
Element Symbol: 90
Element Number: 90
Element Mass: 232.04000
Element Boiling Point: 4790.00 °C
Element Melting Point: 1750.00 °C
Element Proton Count: 90
Element Electron Count: 90
Element Neutron Count: 142
Element Density (g/cm³): 11.72000
Element Color (estimate): Silver