| 167.26 Atomic Weight | |
| 68 Atomic Number | 3 Oxidation States |
| 3140 Boiling Point, K | |
| 1802 Melting Point, K | Er Symbol |
| 9.07 Density at 300K | |
| [Xe] 4f12 6s2
Electron Configuration | |
| Erbium | |
| Er Symbol | hcp Crystal Structure |
| 1.57 Covalent Radius | 1.24 Electronegativity |
| 1.78 Atomic Radius | 292.88 Heat of Vaporization |
| 18.4 Atomic Volume | 17.15 Heat of Fusion |
| 6.101 Ionization Potential | 1.2 Electrical Conductivity |
| 0.168 Specific Heat Capacity | 14.3 Thermal Conductivity |