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Chemical Properties of Uranium and Hafnium

Uranium
Hafnium
Chemical Properties of Hafnium and Uranium


Chemical Properties
Chemical Formula
U   
Hf   
Isotopes
  
  
Known Isotopes
25   
14
32   
7
Electronegativity
  
  
Pauling Electronegativity
1.38   
28
1.30   
32
Allred Rochow Electronegativity
1.22   
26
1.23   
25
Allen Electronegativity
Not Available   
1.16   
37
Electropositivity
  
  
Pauling Electropositivity
2.62   
26
2.70   
22
Ionization Energies
  
  
1st Energy Level
597.60 kJ/mol   
99+
658.50 kJ/mol   
40
2nd Energy Level
1,420.00 kJ/mol   
99+
1,440.00 kJ/mol   
99+
3rd Energy Level
1,900.00 kJ/mol   
99+
2,250.00 kJ/mol   
99+
4th Energy Level
3,145.00 kJ/mol   
99+
3,216.00 kJ/mol   
99+
Electrochemical Equivalent
1.48 g/amp-hr   
99+
1.66 g/amp-hr   
99+
Electron Work Function
3.63 eV   
30
3.90 eV   
27
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
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