26
55.845 u
Fe
Iron
Transition Metal
Atomic Structure
Physical State
Group
8
Period
4
Block
d
Electron Configuration
[Ar] 3d⁶ 4s²
Physical Properties
Atomic Mass:
55.845 u
Electronegativity:
1.83
Atomic Radius:
194 pm
Ionization Energy:
7.902 eV
Density:
7.874 g/cm³
Melting Point:
1811 K
Boiling Point:
3134 K
Historical Information
Discovered By:
Ancient
Year Discovered:
Unknown