Description: Thallium Element Specifications:
Element Name: Thallium
Element Symbol: 81
Element Number: 81
Element Mass: 204.38000
Element Boiling Point: 1457.00 °C
Element Melting Point: 303.50 °C
Element Proton Count: 81
Element Electron Count: 81
Element Neutron Count: 123
Element Density (g/cm³): 11.85000
Element Color (estimate): Blue