| Uranium | |
| Elemental State | U |
| Electron Configuration | 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p67s26d15f3 |
| First Ionization Potential | 6.194 eV |
| Electron Affinity | eV |
| Z* | |
| Pauling Electronegativity | 1.7 |
| Covalent Radius | |
| Metallic Radius | 1.56 Å |
| Ionic Radius | 1.165 Å U3+ coordination number
= 6
1.03 Å U4+ coordination number = 6 1.14 Å U4+ coordination number = 8 1.05 Å U4+ coordination number = 9 |
| van der Waal's Radius | |
| Melting Point | 1135 oC |
| Boiling Point | 4131 oC |
| Density | 18.95 g/cm3 |
| Other Properties | All isotopes are radioactive
238U half-life = 4.46×109 years |