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Periodic Table
Picture of  Beryllium
 
 

 Atomic No. Order:e
[Picture]

 Alphabetic Order:
 

Beryllium  
Ground State Electron Configuration of  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 Radious: unknown
Ionic Radious: unknown
Isotopes: 1
Electronic Shell: 1s2 2s2 or [ He ] 2s2
Energy Of First Ionisation: 899.2 kJ./mol  

4

No of Protons
Standard Potential: - 1.70 V

Electorn in Full Shell
Discoverd By: Discovered by Abbé René-Just Hauy in 1798

Electorn in Partial Shell
   
 
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