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 |
|
