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Chemical Properties of Uranium and Praseodymium

Uranium
Praseodymium
Chemical Properties of Praseodymium and Uranium


Chemical Properties
Chemical Formula
U   
Pr   
Isotopes
  
  
Known Isotopes
25   
14
31   
8
Electronegativity
  
  
Pauling Electronegativity
1.38   
28
1.13   
99+
Allred Rochow Electronegativity
1.22   
26
1.07   
32
Electropositivity
  
  
Pauling Electropositivity
2.62   
26
2.87   
12
Ionization Energies
  
  
1st Energy Level
597.60 kJ/mol   
99+
527.00 kJ/mol   
99+
2nd Energy Level
1,420.00 kJ/mol   
99+
1,020.00 kJ/mol   
99+
3rd Energy Level
1,900.00 kJ/mol   
99+
2,086.00 kJ/mol   
99+
4th Energy Level
3,145.00 kJ/mol   
99+
3,761.00 kJ/mol   
99+
5th Energy Level
Not Available   
5,551.00 kJ/mol   
29
Electrochemical Equivalent
1.48 g/amp-hr   
99+
1.75 g/amp-hr   
40
Electron Work Function
3.63 eV   
30
2.70 eV   
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Ionization, Radioactive Isotopes   
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