The Element Iron

Iron is a metal extracted mainly from the iron ore named hematite. Being the sixth most abundant element in the universe, it is the most widely used metal on earth accounting for 95% of worldwide metal production. Iron in biology is another vital component essential for any form of life without with the organisms may experience iron deficiency anemia.

Commercially, iron is produced as pig iron which is an intermediate step in between making cast iron or steel from iron ore. The main usage of iron and iron alloys in construction industry include forming steady structures while many other iron components are used for dyeing clothes, in blue prints, in insecticides and fertilizers and dietary iron pills.

 


Atomic Number & Chemical Properties


Element Basics:

Chemical Symbol: Fe
Atomic Number: 26
Atomic Weight: 55.847
Element Classification: Transition Metal
Discovered By: Known to the ancients.
Date of Discovery: n/a (Unknown)
Origin of Name: Anglo-Saxon: iron; symbol from Latin: ferrum (iron).

How to Recognize it at a Party:

Malleable, ductile, silvery-white metal

Seriously Atomic Information:

Density (g/cc): 7.874
Melting Point (°K): 1808
Boiling Point (°K): 3023
Atomic Radius (pm): 126
Atomic Volume (cc/mol): 7.1
Covalent Radius (pm): 117
Ionic Radius: 64 (+3e) 74 (+2e)
Pauling Negativity Number: 1.83
First Ionizing Energy (kJ/mol): 759.1
Oxidation States: 6, 3, 2, 0, -2
Electronic Configuration: [Ar] 3d6 4s2

Getting Intimate with Iron:

Lattice Structure: Body-Centered Cubic (BCC)
Lattice Constant (Å): 2.870
Lattice C/A Ratio: n/a
Specific Heat (@20°C J/g mol): 0.443
Fusion Heat (kJ/mol): 13.8
Evaporation Heat (kJ/mol): ~340
Thermal Conductivity (@25°C W/m K):
Debye Temperature (°K): 460.00


Society's Questions About Iron:

Have you ever wondered what everyone else in the world thinks about Iron? Is anyone else looking for it too? If so, why? What do they want?

The following list shows the most common online questions about the element Iron. Are your questions the same or different from everyone else's?

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