Fe | Z = 26 | ◊ ◊ ◊ ◊ ◊ |
Iron | |
From the Anglo-Saxon "isern", meaning "strong metal" | ||||
(AM) Atomic Mass | 55.847 amu | ♦ | ![]() |
+2, +3 |
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2750  °C | ♦ | ![]() |
1535 °C |
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7.87 g/cm3 | ♦ | ![]() |
Body Centered Cubic |
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1.8 | ♦ | ![]() |
1.25  Å |
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Solid | ♦ | (C) Heat Capacity | 0.449 J/g °C |
Electronic-Config | [Ar]  3d6  4s2  | ♦ | ![]() |
759.34 kJ/mol |
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340 kJ/mol | ♦ | ![]() |
13.81 kJ/mol |
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Known to the Ancients | ♦ | ![]() |
n/a |
(E°) Standard Potential | Fe2+⇔ Fe (-0.440 V),   Fe3+⇔ Fe (-0.040 V) | |||
Stable isotopes |  54Fe,  56Fe,  57Fe,  58Fe | |||
Discovered/Synthesized by | Known since ancient times | |||
Natural Source | The mineral/ore hematite and magnetite | |||
Common Uses | Steel alloys, structures, vehicles, magnets | |||
Other Info | Latin name: Ferrum Nuclear fusion in stars stops at Iron |
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