Compare Element Properties
| Property | Er Erbium | ? N/A |
|---|---|---|
| Atomic number | 68 | N/A |
| Symbol | Er | N/A |
| Name | Erbium | N/A |
| Category | lanthanide | N/A |
| Standard Atomic Weight | 167.259 u | N/A |
| Period | 6 | N/A |
| Group | N/A | N/A |
| Block | s | N/A |
| Phase at STP | solid | N/A |
| Electron configuration | [Xe]6s24f12 | N/A |
| Oxidation states | [0, 1, 2, 3] | N/A |
| Electronegativity (Pauling) | 1.24 | N/A |
| Electron affinity | 0.312 eV | N/A |
| Density | 9070 kg/m³ | N/A |
| Melting point | 1528.85 °C | N/A |
| Boiling point | 2867.85 °C | N/A |
| Discovery year | 1843 | N/A |