| Cesium | |
| Elemental State | Cs |
| Electron Configuration | 1s22s22p63s23p63d104s24p64d105s25p66s1 |
| First Ionization Potential | 3.894 eV |
| Electron Affinity | 0.472 eV |
| Z* | |
| Pauling Electronegativity | 0.79 |
| Covalent Radius | 2.25 Å |
| Metallic Radius | 2.72 Å |
| Ionic Radius | 1.81 Å Cs+ coordination number
= 6
1.88 Å Cs+ coordination number = 8 |
| van der Waal's Radius | |
| Melting Point | 28.44 oC |
| Boiling Point | 671 oC |
| Density | 1.873 g/cm3 |
| Other Properties | |