About the sample | This is a commercial sample. Erbium is packed in glass ampoule under argon to protect it from corrosion. It is a part of the private collection of Metodija Najdoski. |
| Z | 68 |
| ρ / g/cm3 | 9.07 |
| tt, mp / °C | 1529 |
| tv, bp / °C | 2868 |
| Ar | 167.26 |
| Electronegativity, (X) | 1.24 |
| Crystal structure | Hexagonal |
| Extended information | https://www.webelements.com/erbium/ |