| Basic Information | |
| Name: Radium Symbol: Ra Atomic Number: 88 Atomic Mass: (226.0) amu Melting Point: 700.0 °C (973.15 °K, 1292.0 °F) Boiling Point: 1737.0 °C (2010.15 °K, 3158.6 °F) |
Number
of Protons/Electrons: 88 Number of Neutrons: 138 Classification: Alkaline Earth Crystal Structure: Cubic Density @ 293 K: 5.0 g/cm3 Color: silverish |
