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 Atomic No. Order:
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 Alphabetic Order:
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Tm
69 		Md
101 		Upu
151 		Bnu
201 		   

Thulium

Symbol Tm
Atomic Number 69
Relative Atomic Mass
12C = 12.0000 		168.93421
Atomic Radius  pm 175
First Ionisation Energy
kJ mol -1 		596.7
Electronegativity 1.25
Density
kg m -3 		9321 [293 K]
Molar Volume   cm 3 18.12
Thermal Conductivity
W m -1 K -1 		16.8 [300 K]
Melting Point  K 1818
Boiling Point  K 2220
Number of Isotopes 28
 

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  Algorythm of Software
Inner/outer Shells
  3   +   3    = 6
  4   +   2    = 6
Inner/outer Orbitals
  28   +   41    =  69
  60   +   9    =  69
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  2, 8, 18,  

  31,  8, 2  

  2, 8, 18, 32, 

  8, 1  

Filling Orbital
  4f 13   
  6s 1   
Ground State Electron Configuration 
[Xe]   4f 13      5p 6     6s 2    
[Xe]   5p 6     6s 1      
Ground State Electron Configuration with free Orbitals (n=17)
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  0, 0, 0, 1, 10, 6  

  0, 0, 0, 0, 10, 7  

Ground State Electron Configuration with compressed Orbitals  (n=96)
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  0, 0, 0, 0, 32, 64  

  0, 0, 0, 0, 32, 64  

 
Singularity
182 =  60 + 9 + 17 + 96
 
 
s
p
d
 f
g
h
i
j
1
2
             
2
2
6
           
3
2
6
10
         
4
2
6
10

14

       
5
2
6
10

14

18
     
6

1

1

6
10

14

18
22
   
7
               
8
               
 
Term Symbol 2 F 7/2
Discovery Discovered by P.T. Cleve (Uppsala, Sweden) in 1879
Name Derived From Named after Thule (ancient name for Scandinavia)
 

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APSIDIUM  ©   Created:     

2002-08-08

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