Sulfur vs Erbium
| Property | S Sulfur | Er Erbium |
|---|---|---|
| Atomic number | 16 | 68 |
| Symbol | S | Er |
| Name | Sulfur | Erbium |
| Category | nonmetal | lanthanide |
| Standard Atomic Weight | 32.0675 u | 167.259 u |
| Period | 3 | 6 |
| Group | 16 | N/A |
| Block | p | s |
| Phase at STP | solid | solid |
| Electron configuration | [Ne]3s23p4 | [Xe]6s24f12 |
| Oxidation states | [-2, -1, 0, 1, 2, 3, 4, 5, 6] | [0, 1, 2, 3] |
| Electronegativity (Pauling) | 2.58 | 1.24 |
| Electron affinity | 2.0771 eV | 0.312 eV |
| Density | 2067 kg/m³ | 9070 kg/m³ |
| Melting point | 115.21 °C | 1528.85 °C |
| Boiling point | 444.6 °C | 2867.85 °C |
| Discovery year | 1777 | 1843 |