| Symbol: Es |
| Name: Einsteinium |
| Latin name: Einsteinium |
| Atomic number: 99 |
| Atomic mass: 167,26 |
| Melting point: 860 (°C) |
| Boiling point: ----- (°C) |
| Density 8,84 (g/cm 3 ) |
| Electronegativity: 1,2 |
| Oxidation number: III |
| Number of neutrons: 153 |
| Crystal structure: --- |
| Chemical serie: Rare earth elements |
| Color: ----- |
| Electron configuration: 2-8-18-32-29-8-2 |
| Year of discovery:: 1952 |


