Difference between revisions of "Iron"
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| − | + | ==External Links== | |
| − | + | *[http://lunar.arc.nasa.gov/results/gamres.htm Lunar Prospector: Gamma Ray Spectrometer Results] | |
Revision as of 11:54, 14 February 2007
| Iron | |
|---|---|
| Fe | |
| In situ availability: | abundant |
| Necessity: | essential |
| Atomic number: | 26 |
| Atomic mass: | 55.845 |
| group: | 8 |
| period: | 4 |
| normal phase: | Solid |
| series: | Transition Metals |
| density: | 7.86 g/cm3 |
| melting point: | 1811K, 1538°C, 2800°F |
| boiling point: | 3134K, 2861°C, 5182°F |
| N/A ← N/A → N/A | |
| Mn ← Fe → Co | |
| Tc ← Ru → Rh | |
| Atomic radius (pm): | 140 |
| Bohr radius (pm): | 156 |
| Covalent radius (pm): | 125 |
| Van der Waals radius (pm): | |
| ionic radius (pm): | (+3) 55 |
| 1st ion potential (eV): | 7.90 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d6 4s2 | |
| Electrons Per Shell | |
| 2, 8, 14, 2 | |
| Electronegativity: | 1.83 |
| Electron Affinity: | 0.15 |
| Oxidation states: | 2, 3 |
| Magnetism: | Ferromagnetic |
| Crystal structure: | Body centered cubic |
Iron is a Transition Metal in group 8.
It has a Body centered cubic crystalline structure.
This element has 4 stable isotopes: 54, 56, 57, and 58.
External Links
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