Ruthenium
| Ru |
Ruthenium |
Transition Metal |
| Atomic number: |
44 |
|
Atomic weight: |
101.07 |
|
| Shells: |
2,8,18,15,1 |
|
Orbitals: |
[Kr] 4d7 5s1 |
|
| Melting point: |
2334°C |
|
Boiling point: |
4150°C |
|
| Covalent radius: |
1.25 |
Å |
Atomic volume: |
8.3 |
cm³/mol |
| Atomic radius: |
1.89 |
Å |
Ionic radius: |
.62 (+4) |
Å |
| Electronegativity: |
2.2 |
|
Oxidation states: |
2,(3,4),6,8 |
|
| 1st ionization pot.: |
7.3605 |
V |
2nd ionization pot.: |
16.76 |
V |
| 3rd ionization pot.: |
28.47 |
V |
Specific heat: |
0.238 |
J/gK |
| Heat of fusion: |
24.0 |
kJ/mol |
Heat of vapor.: |
595.0 |
kJ/mol |
| Thermal conduct.: |
1.17 |
W/cmK |
Electrical conduct.: |
0.137 |
10^6/cm ohm |
| Density: |
12.2 |
g/cm³ |
Valence: |
0,1,2,3,4,5,6,7,8 |
|
