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

  28,  8, 2  

 

 

Dy
66 		Cf
98 		Uqo
148 		Ueo
198 		   

Dysprosium

Symbol Dy
Atomic Number 66
Relative Atomic Mass
12C = 12.0000 		162.500
Atomic Radius  pm 177
First Ionisation Energy
kJ mol -1 		571.9
Electronegativity 1.22
Density  kg m -3 8550 [293 K]
Molar Volume   cm 3 19.00
Thermal Conductivity
W m -1 K -1 		10.7 [300 K]
Melting Point  K 1685
Boiling Point  K 2835
Number of Isotopes 24
Inner/outer Shells
  3   +   3    = 6
Inner/outer Orbitals
  28   +   38    = 66
Filling Orbital
  4f 10   
Ground State Electron Configuration
[Xe]   4f 10      5p 6     6s 2    
Ground State Electron Configuration with free Orbitals (n=20)

 

  0, 0, 0, 4, 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 + 38 + 20 + 96
 
 
s
p
d
 f
g
h
i
j
1
2
             
2
2
6
           
3
2
6
10
         
4
2
6
10

10

4        
5
2
6
10

14

18
     
6

2

6
10

14

18
22
   
7
               
8
               
 
Term Symbol 5 I 8
Discovery Discovered by P.É. Lecoq de Boisbaudran (Paris, France) in 1886
Name Derived From Greek dysprositos meaning 'hard to obtain'

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APSIDIUM  ©   Created:      2002-08-02      This page as PDF-file
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