Rubidium
| Atomic number: |
37 |
|
Atomic weight: |
85.4678 |
|
| Shells: |
2,8,18,8,1 |
|
Orbitals: |
[Kr] 5s1 |
|
| Melting point: |
38.89°C |
|
Boiling point: |
686°C |
|
| Covalent radius: |
2.16 |
Å |
Atomic volume: |
55.9 |
cm³/mol |
| Atomic radius: |
2.98 |
Å |
Ionic radius: |
1.61 (+1) |
Å |
| Electronegativity: |
0.82 |
|
Oxidation states: |
|
|
| 1st ionization pot.: |
4.1771 |
V |
2nd ionization pot.: |
27.28 |
V |
| 3rd ionization pot.: |
40.0 |
V |
Specific heat: |
0.363 |
J/gK |
| Heat of fusion: |
2.192 |
kJ/mol |
Heat of vapor.: |
72.216 |
kJ/mol |
| Thermal conduct.: |
0.582 |
W/cmK |
Electrical conduct.: |
0.0779 |
10^6/cm ohm |
| Density: |
1.53 |
g/cm³ |
Valence: |
1,2,3,4 |
|
