Iron

Fe
Iron
Transition Metal

 

Atomic number:
 26
Atomic weight:
 55.847
Shells:
 2,8,14,2
Orbitals:
 [Ar] 3d6 4s2
Melting point:
 1535°C
Boiling point:
 2861°C
Covalent radius:
 1.17
Å
Atomic volume:
 7.1
cm³/mol
Atomic radius:
 1.72
Å
Ionic radius:
 .55 (+3)
Å
Electronegativity:
 1.83
Oxidation states:
 2,(3)
1st ionization pot.:
 7.9024
V
2nd ionization pot.:
 16.18
V
3rd ionization pot.:
 30.651
V
Specific heat:
 0.44
J/gK
Heat of fusion:
 13.80
kJ/mol
Heat of vapor.:
 349.60
kJ/mol
Thermal conduct.:
 0.802
W/cmK
Electrical conduct.:
 0.0993
10^6/cm ohm
Density:
 7.86
g/cm³
Valence:
 2,3,4,6