Periodic Table
|
| Rubidium |
|
|
| Symbol: |
Rb
|
| Atomic
Number: |
37
|
| Atomicmass: |
85.4678 g.mol -1
|
| Electronegative
(According to Pauling): |
0.8
|
| Density: |
1.53 g.cm-3 at 20°C
|
| Melting
Point: |
39 °C
|
| Boiling
Point: |
696 °C
|
| Venderwaals
Radious: |
0.243 nm
|
| Ionic
Radious: |
0.149 nm (+1)
|
| Isotopes: |
11
|
| Electronic
Shell: |
[ Kr ] 5s1 |
|
| Energy
Of First Ionisation: |
402.9 kJ.mol -1
|
|
No of Protons |
| Standard
Potential: |
- 2.99 V
|
|
Electorn
in Full Shell |
| Discoverd
By: |
Discovered by Robert Wilhem Bunsen and Gustav Robert Kirchhoff in 1861 |
|
Electorn
in Partial Shell |
| |
|
|
|
| |
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