Manganese
Mn
Manganese
Transition Metal
Atomic number:
25
Atomic weight:
94.93805
Shells:
2,8,13,2
Orbitals:
[Ar] 3d5 4s2
Melting point:
1244°C
Boiling point:
2061°C
Covalent radius:
1.17
Å
Atomic volume:
7.39
cm³/mol
Atomic radius:
1.79
Å
Ionic radius:
.67 (+2)
Å
Electronegativity:
1.55
Oxidation states:
7,6,4,(2),3
1st ionization pot.:
7.4340
V
2nd ionization pot.:
15.64
V
3rd ionization pot.:
33.667
V
Specific heat:
0.48
J/gK
Heat of fusion:
12.050
kJ/mol
Heat of vapor.:
226.0
kJ/mol
Thermal conduct.:
0.0782
W/cmK
Electrical conduct.:
0.00695
10^6/cm ohm
Density:
7.43
g/cm³
Valence:
1,2,3,4,6,7
