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iron
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iron
Study how iron ore is mined with explosives and crushed and concentrated with remote-controlled machines
Explore an interactive periodic table of the elements Figure 19: Summary of shock-wave data on the densities of oxides and iron compounds at high pressures and high temperatures. The seismologically derived pressure-density curves for the lower mantle and outer core are included for comparison. nuclear binding energies bioremediation Iron-carbon equilibrium diagram. Global distribution of iron on the Moon's surface Figure 9: Structures of some native elements. (A) Close-packed model of simple cubic packing of equal spheres, as shown by iron. Each sphere is surrounded by eight closest neighbours. (B) Close-packed model of the structure of arsenic and antimony. Flat areas represent overlap between adjoining atoms. (C) Partial representation of the structure of diamond. (D) The structure of graphite with sheets perpendicular to the c axis.
Why is blood red?
For Students
iron summary
Quizzes
Concept artwork on the periodic table of elements.
118 Names and Symbols of the Periodic Table Quiz
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Science Quiz
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27 True-or-False Questions from Britannica’s Most Difficult Science Quizzes
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Videos

Study how iron ore is mined with explosives and crushed and concentrated with remote-controlled machines
Iron ore mining at Kiruna, Sweden.
Video: Encyclopædia Britannica, Inc.
Why is blood red?
Are you “red-y” to find out?
Video: Encyclopædia Britannica, Inc.
Learn about the oxygen-transporting function and molecular structure of the protein hemoglobin
Hemoglobin is an example of a globular protein. Learn how hemoglobin proteins in...
Video: Encyclopædia Britannica, Inc.
How iron is turned into steel
Iron ore is one of the most abundant elements on Earth, and one of its primary uses...
Video: Encyclopædia Britannica, Inc.

Images

iron
Properties of iron.
Encyclopædia Britannica, Inc.
Figure 19: Summary of shock-wave data on the densities of oxides and iron compounds...
Encyclopædia Britannica, Inc.
nuclear binding energies
Nuclear binding energies, shown as a function of atomic mass number.
Encyclopædia Britannica, Inc.
bioremediation
Degradation of toluene in soil. Removal of the pollutant toluene from the soil requires...
Encyclopædia Britannica, Inc.
Iron-carbon equilibrium diagram.
Encyclopædia Britannica, Inc.
Global distribution of iron on the Moon's surface
The global distribution of iron on the Moon's surface, based on multispectral data...
NASA/Lunar Planetary Institute
Figure 9: Structures of some native elements. (A) Close-packed model of...
Encyclopædia Britannica, Inc.

Interactives

Explore an interactive periodic table of the elements
Periodic table of the elements.
Encyclopædia Britannica, Inc.
VIEW MORE in these related Britannica articles: