Periodic Table
|
| Samarium |
|
|
| Symbol: |
Sm
|
| Atomic
Number: |
62
|
| Atomicmass: |
150.35 g.mol -1
|
| Electronegative
(According to Pauling): |
1.2
|
| Density: |
6.9 g.cm-3 at 20°C
|
| Melting
Point: |
1072 °C
|
| Boiling
Point: |
1790 °C
|
| Venderwaals
Radious: |
unknow
|
| Ionic
Radious: |
nunknown
|
| Isotopes: |
11
|
| Electronic
Shell: |
[ Xe ] 4f6 6s2 |
|
| Energy
Of First Ionisation: |
542.3 kJ.mol -1
|
|
No of Protons |
| Standard
Potential: |
- 2.41 V
|
|
Electorn
in Full Shell |
| Discoverd
By: |
Discovered by Paul Emile Lecoq de Boisbaudran in 1879 |
|
Electorn
in Partial Shell |
| |
|
|
|
| |
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