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 Atomic No. Order:
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 Alphabetic Order:
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Periodic Table

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  2, 8, 18, 32,  

 38, 18, 8, 2   

 

 

Ubh
126		Ush
176		  

Unbihexium

SymbolUbh
superactinide series
Atomic Number126
Relative Atomic Mass
12C = 12.0000		[ - ]
Significant Atomic Mass334
Neutrons  208
Atomic Radius  pm-
First Ionisation Energy
kJ mol -1		-
Electronegativity-
Density  kg m -3-
Molar Volume   cm 3-
Thermal Conductivity
W m -1 K -1		-
Melting Point  -
Boiling Point   -
Number of Isotopes-
Inner + outer Shells
 4  + 4   =  8
Inner + outer Orbitals
 60  + 66   = 126
Filling Orbital
  5g6  
Ground State Electron Configuration
[Uuo]  5g6    6d10  7p6  8s2 
Ground State Electron Configuration with 
free Orbitals (n= 42 )

 

  0, 0, 0, 0, 12, 14, 10, 6 

 

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Ground State Electron Configuration with 
comp. Orbitals   (n= 240 )

 

 0, 0, 0, 0, 0, 40, 80, 120 

 

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Singularity
408= 60+66+42+240
 
 
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
6
12
 
 
 
6
2
6
10
14
18
22
 
 
7
2
6
10
14
18
22
26
 
8
2
 6
10
14
18
22
26
30
9
 
 
 
 
 
 
 
 
 
Term Symbol-
CAS Reg-ID:-
DiscoveryElement at the time of writing
has not been discovered.
 
Name Derived FromIUPAC
 
 "Very unexpected news arrived in the summer of 1976: Evidence for element 126 and possibly 124 and 116 in Nature was reported in a study of giant radioactive halos in biotite."  PDF-file (192KB)
 

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APSIDIUM   Created:    

2002-09-11

    This page as PDF-file
126.pdf

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 Page update:  

2007-12-09