Scandium vs Iron
| Property | Sc Scandium | Fe Iron |
|---|---|---|
| Atomic number | 21 | 26 |
| Symbol | Sc | Fe |
| Name | Scandium | Iron |
| Category | transition-metal | transition-metal |
| Standard Atomic Weight | 44.955908 u | 55.845 u |
| Period | 4 | 4 |
| Group | 3 | 8 |
| Block | s | s |
| Phase at STP | solid | solid |
| Electron configuration | [Ar]4s23d1 | [Ar]4s23d6 |
| Oxidation states | [0, 1, 2, 3] | [-4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7] |
| Electronegativity (Pauling) | 1.36 | 1.83 |
| Electron affinity | 0.188 eV | 0.151 eV |
| Density | 2990 kg/m³ | 7874 kg/m³ |
| Melting point | 1540.85 °C | 1537.85 °C |
| Boiling point | 2835.85 °C | 2860.85 °C |
| Discovery year | 1879 | N/A |