Symbol Fe Atomic radius: pm 124 Fusion: kJ/Mole 13.81
Name Iron Ionic radius: pm (+3)55 Boiling point: C 2861
Atomic number 26 Electron affinity 0.151 Melting point: C 1538
Atomic weight 55.85 1st  ion potential 7.90 Specific Heat Cap: J/(g K) 0.45
Classification Trans metal Natural form Solid Thermal Cond: W/(cm K) 0.80
Configuration [Ar]3d64s2 Crystal structure BCC Electrical Cond 0.0993
Oxidation states 2,3 Density 7.87 Abundance: mg/kg-crust 56,300
Electronegativity 1.83 Vaporization: kJ/Mole 351.0    
Iron was known by the ancients. Uses - steel and other alloys, decorative heavy-duty gates