CAS Number | 7440-14-4 |
---|---|
PubChem CID | 6328144 |
Atomic Radius | - |
Atomic Volume | 45.2 |
Atomic Weight | [226] |
Block | s |
Boiling Point | 1,737 |
Bulk Modulus | |
Category | Alkaline earth metals |
Crystal Structure | Body Centered Cubic |
Color | Silver |
Covalent Radius | 221 |
Density | 5.5 |
Electrical Resistivity | |
Electron Configuration | [Rn] 7s2 |
Electrons per shell | 2, 8, 18, 32, 18, 8, 2 |
Electronegativity | 0.9 |
Electrons | 88 |
Group | 2 |
Heat of Fusion | 8 |
Heat of Vaporization | 125 |
Ionization Potential | 5.278 |
Magnetic Ordering | |
Magnetic Susceptibility | |
Mass | [226] |
Mass Number | 88 |
Melting Point | 700 |
Name | Radium |
Neutrons | 138 |
Atomic Number | 226 |
Oxidation States | 2 |
Period | 7 |
Phase | Solid |
Poisson Ratio | |
Protons | 88 |
Shear Modulus | |
Specific Heat Capacity | - |
Symbol | Ra |
Thermal Conductivity | 0.186 |
Van der Waals radius | |
Young's Modulus | |
Abundance | |
Abundance in Earth's crust | 9.9×10-12% |
Abundance in Universe | na |
[226]
202Ra 203Ra 204Ra 205Ra 206Ra 207Ra 208Ra 209Ra 210Ra 211Ra 212Ra 213Ra 214Ra 215Ra 216Ra 217Ra 218Ra 219Ra 220Ra 221Ra 222Ra 223Ra 224Ra 225Ra 226Ra 227Ra 228Ra 229Ra 230Ra 231Ra 232Ra 233Ra 234Ra