Picture of Lithium
    

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  Periodic Table

Ground State Electron Configuration of Lithium

  2  

  1  

 

  H
  1 		Li
3 		Na
11 		  K
19 		Rb
37 		Cs
55 		  Fr
 87 		Uue
119 		Uhe
169 		Bue
219

Lithium

Symbol Li
Atomic Number 3
Relative Atomic Mass
12C = 12.0000 		6.941
Atomic Radius  pm 152
First Ionisation Energy
kJ mol -1 		513.3
Ionization energy (eV) 5,3917
Electronegativity 0.98
Density  
kg m -3 		534 [293 K]
515 [m.p.]
Molar Volume   cm 3 13.00
Thermal Conductivity
W m -1 K -1 		84.7 [300 K]
Melting Point  K 453.69
Boiling Point  K 1620
Number of Isotopes 5
Inner + outer Shells
  1   +   1    = 2
Inner + outer Orbitals
  2   +   1    = 3
Filling Orbital

  2s 1   

Ground State Electron
Configuration
[He]   2s 1  
 
Ground State Electron
Configuration with
free Orbitals (n= 7)
 

  0, 7  

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

  0, 0  

Ground State Electron Configuration with compressed Orbitals of Lithium
 
Singularity     S(n=2)
10 =  2 + 1 + 7 + 0
 
s
p
d
 f

g

h

i

j

1

2

 

 

 

 

 

 

 

2

1
1
  6

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 
Term Symbol 2S 1/2
Discovery Discovered by J.A. Arfvedson (Stockholm, Sweden) in 1817 and isolated by W.T. Brande in 1821
Name Derived From Greek lithos meaning 'stone'
 

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