Rhenium
| Re |
Rhenium |
Transition Metal |
| Atomic number: |
75 |
|
Atomic weight: |
186.207 |
|
| Shells: |
2,8,18,32,13,2 |
|
Orbitals: |
[Xe] 4f14 5d5 6s2 |
|
| Melting point: |
3180°C |
|
Boiling point: |
5627°C (estimated) |
|
| Covalent radius: |
1.28 |
Å |
Atomic volume: |
8.85 |
cm³/mol |
| Atomic radius: |
1.97 |
Å |
Ionic radius: |
.53 (+7) |
Å |
| Electronegativity: |
1.9 |
|
Oxidation states: |
(7),6,4,2,-1 |
|
| 1st ionization pot.: |
7.88 |
V |
2nd ionization pot.: |
-- |
V |
| 3rd ionization pot.: |
-- |
V |
Specific heat: |
0.13 |
J/gK |
| Heat of fusion: |
33.20 |
kJ/mol |
Heat of vapor.: |
715.0 |
kJ/mol |
| Thermal conduct.: |
0.479 |
W/cmK |
Electrical conduct.: |
0.0542 |
10^6/cm ohm |
| Density: |
21.0 |
g/cm³ |
Valence: |
-1,1,2,3,4,5,6,7 |
|
