Periodic Table
|
| Beryllium |
|
|
| Symbol: |
Be
|
| Atomic
Number: |
4
|
| Atomicmass: |
9.01218 g./mol
|
| Electronegative
(According to Pauling): |
1.5
|
| Density: |
1.86 g.cm-3
|
| Melting
Point: |
1280 °C
|
| Boiling
Point: |
2970 °C
|
| Venderwaals
Radius: |
unknown
|
| Ionic
Radius: |
unknown
|
| Isotopes: |
1
|
| Electronic
Shell: |
1s2 2s2 or [ He ] 2s2 |
|
| Energy
Of First Ionization: |
899.2 kJ./mol
|
|
No of Protons |
| Standard
Potential: |
- 1.70 V
|
|
Electron
in Full Shell |
| Discoverd
By: |
Discovered by Abbé René-Just Hauy in 1798 |
|
Electron
in Partial Shell |
| |
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