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Basic Information

Name: Iron
Symbol: Fe
Atomic Number: 26
Atomic Mass: 55.845 amu
Melting Point: 1535.0 °C (1808.15 K, 2795.0 °F)
Boiling Point: 2750.0 °C (3023.15 K, 4982.0 °F)
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

Number of Energy Levels: 4

First Energy Level:

Second Energy Level:

Third Energy Level:

Fourth Energy Level:

Isotopes

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

Facts

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

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