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Element Details


Element Description

One of the most abundant metals in the earth's crust, it is believed that iron makes up all but a very small percentage of the earth's core. It is a silver-white, malleable metal that is highly reactive chemically. Iron rapidly corrodes at high temperatures or in moist air. Rarely found in its pure form, iron is hard, brittle, fusible, and often used to produce alloys with carbon and other metals. It is the main component of steel.

Property Name Property Value Property Name Property Value
Atomic Code (26Fe55.847) First Ionization Energy 182K-cal/g-mole
CAS # 7439-89-6 Electronegativity 1.8Pauling's
Covalent Radius 1.17Angstroms
Melting Point 1538°C Brinell Hardness 82-100
Boiling Point 2861°C Linear Coefficient of Expansion 12.6x10-6K-1
Density 7.87g/cm3 Electrical Resistivity 9.71µΩ-cm
Themal Conductivity 0.19cal/cm2/cm/s/°C Crystal Structure Cubic, body centered
Specific Heat @ 100°C 0.12cal/g°C Lattice Constant 11.7x10-8cm
Heat of Fusion 3.67kcal/g-atom Compressibility 0.6x10-6cm2/kg
Heat of Vaporization 84.6k-cal/g-atom Tensile Strength 35,000-40,000psi
Atomic Volume 7.1W/D

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