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