Picture of Beryllium
    

 Atomic No. Order:
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 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
 spd f

g

h

i

j

1

2

 

 

 

 

 

 

 

2

2

  6

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

Term Symbol

1S 0

DiscoveryDiscovered 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 FromGreek beryllos meaning 'beryl'

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APSIDIUM  ©  Created:    2002-06-04 This page as PDF-file
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