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Information valid for Fe-56 unless otherwise noted

Basic Information

Symbol: Fe
Atomic Number: 26
Mass: 55.845
Melting Point: 1535.0 C
Boiling Point: 2750.0 C
Number of Protons/Electrons: 26
Number of Neutrons: 30
Classification: Transition Metal
Crystal Structure: Cubic
Density @ 293 K: 7.86 g/cm3
Color: Silvery

Atomic Structure

[Bohr Model of Iron]
Number of Energy Levels: 4

  1. First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 14
    Fourth Energy Level: 2


Isotope Half Life
Fe-52 8.3 hours
Fe-54 Stable
Fe-55 2.7 years
Fe-56 Stable
Fe-57 Stable
Fe-58 Stable
Fe-59 54.5 days
Fe-60 1500000.0 years


Date of Discovery: Known to the ancients
Discoverer: Unknown
Name Origin: Latin
Symbol Origin: From the Latin word ferrum (iron)
Uses: steel, hemoglobin (carries oxygen in blood)
Obtained From: iron ores

Related Links

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  1. Steel Works
  2. The new Steel
  3. ISSource