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 Atomic No. Order:
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 Alphabetic Order:
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  2, 8, 18,  

  29,  8, 2  

 

 

Ho
67 		Es
99 		Uqe
149 		Uee
199 		   

Holmium

Symbol Ho
Atomic Number 67
Relative Atomic Mass
12C = 12.0000 		164.93032
Atomic Radius  pm 177
First Ionisation Energy
kJ mol -1 		580.7
Electronegativity 1.23
Density  kg m -3 8795 [298 K]
Molar Volume   cm 3 18.75
Thermal Conductivity
W m -1 K -1 		16.2 [300 K]
Melting Point  K 1747
Boiling Point  K 2968
Number of Isotopes 39
Inner/outer Shells
  3   +   3    = 6
Inner/outer Orbitals
  28   +   39    = 67
Filling Orbital
  4f 11   
Ground State Electron Configuration
[Xe]   4f 11      5p 6     6s 2    
Ground State Electron Configuration with free Orbitals (n=19)

  0, 0, 0, 3, 10, 6  

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Ground State Electron Configuration with compressed Orbitals (n=96)

 

  0, 0, 0, 0, 32, 64  

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Singularity
182 =  28 + 39 + 19 + 96
 
 
s
p
d
 f
g
h
i
j
1
2
             
2
2
6
           
3
2
6
10
         
4
2
6
10

11

3        
5
2
6
10

14

18
     
6

2

6
10

14

18
22
   
7
               
8
               
 
Term Symbol 4I 15/2
Discovery Discovered by P.T. Cleve (Uppsala, Sweden) in 1878 and independantly by M. Delafontaine and J.L. Soret (Geneva, Switzerland)
Name Derived From Greek Holmia meaning 'Sweden'
 

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APSIDIUM  ©   Created:      2002-08-08     This page as PDF-file
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