Element Name: Iron (lt. Ferrum)
Atomic No.: 26
State (298 K): solid
Uses: steel
Atomic Mass: 55.847 g/mol
Density: 7.87 g/cm
3
B.P.: 3023 K
F.P.: 1808 K
Electronic Configuration: 1s
2
2s
2
2p
6
3s
2
3p
6
3d
6
4s
2
Isotopes:
54
Fe 53.9396 amu (5.8%)
56
Fe 55.9349 amu (91.7%)
57
Fe 56.9354 amu (2.2%)
p;
58
Fe 57.9333 amu (0.3%)
Electronegativity: 1.83
Radius: 117 pm (covalent)
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