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Chemical Properties of Uranium and Iridium

Uranium
Iridium
Chemical Properties of Iridium and Uranium


Chemical Properties
Chemical Formula
U   
Ir   
Isotopes
  
  
Known Isotopes
25   
14
34   
5
Electronegativity
  
  
Pauling Electronegativity
1.38   
28
2.20   
4
Allred Rochow Electronegativity
1.22   
26
1.55   
11
Allen Electronegativity
Not Available   
1.68   
17
Electropositivity
  
  
Pauling Electropositivity
2.62   
26
1.80   
99+
Ionization Energies
  
  
1st Energy Level
597.60 kJ/mol   
99+
880.00 kJ/mol   
9
2nd Energy Level
1,420.00 kJ/mol   
99+
1,600.00 kJ/mol   
35
3rd Energy Level
1,900.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,145.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
1.48 g/amp-hr   
99+
1.14 g/amp-hr   
99+
Electron Work Function
3.63 eV   
30
4.55 eV   
13
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
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