Fe
Iron (Atomic Number 26)
Category: transition | Period 4, Group 8 | Block: d
Most used metal on Earth; primary component of steel and hemoglobin.
Atomic & Physical Constants
- Standard Atomic Weight:
- 55.8452 u
- Standard State Phase:
- Solid
- Electron Configuration:
- 2, 8, 14, 2
- Electronegativity (Pauling):
- 1.83
- Melting Point:
- 1811 K
- Boiling Point:
- 3134 K
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
Construction girders, steel alloys, automotive bodies, machinery
Discovery History
Discovered by 5000 BC.
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