extended periodic table
 

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  Gd
64
Cm
96
Uqh
146
Ueh
196
  

Curium

SymbolCm
Atomic Number96
Relative Atomic Mass
12C = 12.0000
[ 247 ]
247.0704
Significant Atomic Mass247
Neutrons  151
Atomic Radius  pm174
First Ionisation Energy
kJ mol -1
581
Electronegativity1.3
Density   kg m -313300 [293 K]
Molar Volume cm 318.6
Thermal Conductivity
W m -1 K -1
10 [300 K] (est.)
Melting Point K1610 ± 40
Boiling Point K-
Number of Isotopes14
Isotopes of superheavy elements243 Cm  29.1  year
244 Cm  18.1  year

245 Cm  8.48x103 year
246 Cm  4.76x103 year
247 Cm  1.56x107 year
248 Cm  3.48x105 year
 
Inner + outer Shells
  4  +  3   =7
Inner + outer Orbitals
  60  +  36   =96
   

??? (Nist 2002)

  Algorythm of Software
 ground stateAlgorythm ground state

  2, 8, 18, 32,  

  25, 9, 2   

  2, 8, 18, 32,  

  26, 8, 2   

Distribution of electrons 
 spdf
12   
226  
32610 
4261014
526107
6261 
72   
 spdf
12   
226  
32610 
4261014
526108
626  
72   
Filling Orbital 
  6d 1   
  5f 8   
Ground State Electron Configuration
[Rn]  5f 7    6d 1   7s 2 
[Rn]  5f 8     6p 6  7s 2 
 
Ground State Electron Configuration with free Orbitals (n=22)

  0, 0, 0, 0, 7, 9, 6  

  0, 0, 0, 0, 6, 10, 6  

free Orbitals Algorythm free Orbitals
 

Ground State Electron Configuration with compressed Orbitals  (n= 162 )

 0, 0, 0, 0, 18, 54, 90  

 0, 0, 0, 0, 18, 54, 90  

compressed Orbitals Algorythm compressed Orbitals
 
Singularity
28060+36+22+162
 
 spd
f
ghij
1
2
       
2
2
6
      
3
2
6
10
     
4
2
6
10

14

    
5
2
6
10

8

6
18
   
6
2
6
10

14

18
22
  
7
2
6
10
14
18
22
26
 
8        
 
Term Symbol9D 2
CAS Reg-ID:7440-51-9
DiscoveryDiscovered by G.T. Seaborg, R.A. James and A. Ghiorso (Berkeley, USA) in 1944
Name Derived FromNamed after Pierre and Marie Curie
 

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APSIDIUMCreated:    
2002-08-28
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2006-11-05