Description: Caesium Element Specifications:
Element Name: Caesium
Element Symbol: 55
Element Number: 55
Element Mass: 132.91000
Element Boiling Point: 678.40 °C
Element Melting Point: 28.50 °C
Element Proton Count: 55
Element Electron Count: 55
Element Neutron Count: 78
Element Density (g/cm³): 1.87300
Element Color (estimate): Silver