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Chemical Properties of Thorium and Uranium

Thorium
Uranium
Chemical Properties of Uranium and Thorium


Chemical Properties
Chemical Formula
Th   
U   
Isotopes
  
  
Known Isotopes
28   
11
25   
14
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
1.38   
28
Allred Rochow Electronegativity
1.11   
29
1.22   
26
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
2.62   
26
Ionization Energies
  
  
1st Energy Level
587.00 kJ/mol   
99+
597.60 kJ/mol   
99+
2nd Energy Level
1,110.00 kJ/mol   
99+
1,420.00 kJ/mol   
99+
3rd Energy Level
1,978.00 kJ/mol   
99+
1,900.00 kJ/mol   
99+
4th Energy Level
2,780.00 kJ/mol   
99+
3,145.00 kJ/mol   
99+
Electrochemical Equivalent
2.16 g/amp-hr   
24
1.48 g/amp-hr   
99+
Electron Work Function
3.41 eV   
32
3.63 eV   
30
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Radioactivity   
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