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  Periodic Table

Ground State Electron Configuration of Ununtrium

  2,8,18,32,
  32,18,3  

 

 

  B
 5

  Al
13

Ga
31
In
 49
Tl
 81
Uut
113
Uht
163
But
213

Ununtrium

Symbol Uut
artificial radioactive element 
expected to be a Solid
Atomic Number 113
eka-thallium, eka-Tl
Relative Atomic Mass
12C = 12.0000
[ 284 ]
Significant Atomic Mass 289
Neutrons  176
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  K
Boiling Point  K -
Number of Isotopes 2
Isotopes of superheavy elements 284 Uut  0.48 seconds  (280 ms)
283 Uut  46,6 ms

 

Inner + outer Shells
  4  
+
  3  
 = 7
Inner + outer Orbitals
  60  
+
  53  
 = 113
Filling Orbital
  7p 1  
Ground State Electron Configuration (unconfirmed)
[Rn]     5f 14      6d 10      7p1    
Ground State Electron Configuration with 
free Orbitals (n= 5)

 

  0,0,0,0,0,0,5  
Ground State Electron Configuration with free Orbitals of Ununtrium

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

 

  0,0,0,0,18,54,90  
Ground State Electron Configuration with compressed Orbitals of Ununtrium
 
Singularity
280
60
+
53
+
5
+
162
 
 
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
2
6
10
14
18
22
 
 
7
2
1
5
10
14
18
22
26
 
8
 
 
 
 
 
 
 
 
 
Term Symbol 2P o 1/2
Discovery

Seaborginstitute

Joint Institutte for Nuclear Research

 

288115 -- -> 284113
287115 -- -> 283113 

Scientists from the Glenn T. Seaborg Institute and the Chemical Biology and Nuclear Science Division at the Lawrence Livermore National Laboratory, in collaboration with researchers from the Joint Institute for Nuclear Research in Russia (JINR), have discovered the two newest super heavy elements, element 113 and element 115. In experiments conducted at the JINR U400 cyclotron with the Dubna gas-filled separator between July 14 and Aug. 10, 2003, the team of scientists observed atomic decay patterns, or chains, that confirm the existence of element 115 and element 113. In these decay chains, element 113 is produced via the alpha decay of element 115. The results have been accepted for publication in the Feb. 1, 2004 issue of Physical Review C.   
 
Name Derived From The element does not have a name yet, therefore the systematic IUPAC  name is used.

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http://159.93.28.88/flnr/elm113p.html

http://flerovlab.jinr.ru/flnr/index.html

Livermore Scientists Team With Russia To Discover Elements 113 and 115, Press Release 2 February 2004. 

Uut and Uup Add Their Atomic Mass to Periodic Table
"New York Times", February 1, 2004 

On February 2, 2004, scientists working at the Joint Institute for Nuclear Research in Dubna, Russia, along with scientists from the U.S. Department of Energy's Lawrence Livermore National Laboratory, announced the creation of ununtrium. In experiments performed between July 14, 2003 and August 10, 2003, atoms of americium-243 were bombarded with ions of calcium-48 using a device called a cyclotron. This produced one atom of ununpentium-287 and three atoms of ununpentium-288. All four atoms of ununpentium quickly decayed into ununtrium through alpha decay. Ununtrium's most stable isotope, ununtrium-284, has a half-life of about 0.48 seconds. It decays into roentgenium-280 through alpha decay.

Since only a few atoms of ununtrium have ever been produced, it currently has no uses outside of basic scientific research.

 

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APSIDIUM  ©   Created:      2002-09-01   This page as PDF-file
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