Picture of Beryllium
    

 Atomic No. Order:
[Picture]

 Alphabetic Order:
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  Periodic Table

Ground State Electron Configuration of Beryllium

  2,  

  2  

 

 

  Be
  4 		Mg
12 		Ca
20 		Sr
38 		Ba
56 		  Ra
88 		Ubn
120 		Usn
170 		Bbn
220

Beryllium                 Truss Element

Symbol

Be

Atomic Number

4

Relative Atomic Mass
12C = 12.0000

9.012182

Atomic Radius   pm

113

First Ionisation Energy
kJ mol -1

899.4

Ionization energy (eV)

9,3227

Electronegativity

1.57

Density   kg m -3

1847.7 [293 K]

Molar Volume  cm 3

4.88

Thermal Conductivity
W m -1 K -1

200 [300 K]

Melting Point  K

1551

Boiling Point  K

3243 (under pressure)

Number of Isotopes

6

Inner + outer Shells
  1   +   1    =  2
Inner + outer Orbitals
  2   +   2    =  4
Filling Orbital
  2s 2   
Ground State Electron
Configuration
[He]     2 s 2       
Ground State Electron
C onfiguration with
free Orbitals (n= 6)
 

 0,  6  

Ground State Electron Configuration with free Orbitals of Beryllium

Ground State Electron
Configuration with
compressed Orbitals (n=0)
 

  0, 0  

 

Ground State Electron Configuration with compressed Orbitals of Beryllium

 

Singularity

10 =  2 + 2 + 6 + 0
  s p d  f

g

h

i

j

1

2

 

 

 

 

 

 

 

2

2

  6

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

Term Symbol

1S 0

Discovery Discovered by N.L. Vauquelin (Paris, France) in 1797. Isolated by F. Woehler (Berlin, Germany) in 1828 and independantly by A.A.B. Bussy (Paris, France)
Name Derived From Greek beryllos meaning 'beryl'

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