Fe
Iron
Element 26 · Transition metal · Period 4, Group 8
Solid · Discovered Ancient
Atomic Properties
| Atomic Number | 26 |
| Atomic Mass | 55.84u |
| Electron Configuration | [Ar]4s2 3d6 |
| Electronegativity | 1.83Pauling |
| Atomic Radius | 194pm |
| Ionization Energy | 7.902eV |
| Electron Affinity | 0.163eV |
| Oxidation States | +3, +2 |
Physical Properties
| Standard State | Solid |
| Melting Point | 1811K |
| Boiling Point | 3134K |
| Density | 7.874g/cm³ |
| Group Block | Transition metal |
| Year Discovered | Ancient |