Iron

Basic Information Crystal Structure Isotope Facts Related Links


Basic Data

Symbol: Fe
Atomic Number: 26
Atomic weight: 55.847u
Melting Point: 1809K
Boiling Point: 3135K
Number of Protons/Electrons: 26
Number of Neutrons: 30
Classification: Transition Metal
Crystal Structure: Body Centered Cubic
Density at 293 K: 7.86g/mL
Color: Silvery
Bonding radius: 1.17A
Atomic radius: 1.72A
Ionization Potential: 7.87V
Electronegativity: 1.83
Heat of vaporization: 349.6kJ/mol
Heat of fusion: 13.8kJ/mol
Specific heat: 0.44J/gK
Electron configuration: [Ar]3d64s2



Crystal Structure


Isotopes

Isotope Half Life
Fe52 8.3 hours
Fe54 Stable
Fe55 2.7 years
Fe56 Stable
Fe57 Stable
Fe58 Stable
Fe59 54.5 days
Fe60 1500000 years


Facts

Date of Discovery: Ancient
Discoverer:
Uses: steel, hemoglobin (carries oxygen in blood)
Obtained From: iron ores


Related Links

Steel Works Information about the steel industry

The new Steel iron ores. More information about the steel industry

ISSource The homepage of the Iron and Steel Society