 | Iron | Atomic Number: 26 |
- Overview
Property Value Units 55.845
7.874
- Thermal Properties
Thermal Properties
Property Value Units 1535°C
2750°C
The critical pressure has not been determined for Iron
The critical temperature has not been determined for Iron
13.8 kJ/mol
347 kJ/mol
449 J/kg·K
80 W/m·K
- Electon Configuration
[Ar] 3d6 4s2
K L M N O P Q 2 8 14 2 0 0 0 Level S Orbital P Orbital D Orbital F Orbital Level 1 Level 2 - History
Year Discovered
ancient
- Isotopes
Isotope Common Name Symbol Mass Status Abundance Half-life Decay mode Decay Energy Nuclear Spin Magnetic Moment 26
Fe
54
Iron Fe 54 Stable 5.845 - - - - - 26
Fe
56
Iron Fe 56 Stable 91.754 - - - - - 26
Fe
57
Iron Fe 57 Stable 2.119 - - - - - 26
Fe
58
Iron Fe 58 Stable 0.282 - - - - - Isotopic mass data for stable isotopes is from:
G. Audi, A.H. Wapstra in Nuclear Physics A, 1993, 565, 1-65
and
G. Audi, A.H.Wapstra in Nuclear Physics A, 1995, 595 409-480.Natural abundance data is from:
K.J.R. Rosman, P.D.P. Taylor in Pure Appplied Chemistry, 1999, 71, 1593-1607.- Occurance
In the Universe 0.11% In the Sun 0.1% In Meteorites 22% In the Earth's Crust 6.3% In Seawater 0.0000003% In the Human Body 0.006% - Models
Pictures, videos and 3D models of the element
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