Elements · ← Mn Manganese · Co Cobalt →
Iron carries oxygen in haemoglobin and powers many enzymes.
| Symbol | Fe |
|---|---|
| Atomic number | 26 |
| Standard atomic weight | 55.84 |
| Group | 8 |
| Period | 4 |
| Block | d-block |
| Category | Transition metal |
| Standard state | Solid |
| Discovered | Ancient |
Source: PubChem, Iron (periodic table data, retrieved 2026-10-19). Group and period follow the standard 18-column periodic table.
Perutz and colleagues obtained a three-dimensional Fourier synthesis of haemoglobin at 5.5 Å resolution by X-ray analysis.
As reported in: PERUTZ, ROSSMANN, CULLIS et al. (1960). Structure of Hæmoglobin: A Three-Dimensional Fourier Synthesis at 5.5-Å. Resolution, Obtained by X-Ray Analysis. Nature. doi:10.1038/185416a0
Abstract only
Found by name, common compounds and chemical formulas in each entry.
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