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Chemical Properties of Uranium and Fermium

Uranium
Fermium
Chemical Properties of Fermium and Uranium


Chemical Properties
Chemical Formula
U   
Fm   
Isotopes
  
  
Known Isotopes
25   
14
18   
21
Electronegativity
  
  
Pauling Electronegativity
1.38   
28
1.30   
32
Allred Rochow Electronegativity
1.22   
26
1.20   
27
Electropositivity
  
  
Pauling Electropositivity
2.62   
26
2.70   
22
Ionization Energies
  
  
1st Energy Level
597.60 kJ/mol   
99+
627.00 kJ/mol   
99+
2nd Energy Level
1,420.00 kJ/mol   
99+
1,225.00 kJ/mol   
99+
3rd Energy Level
1,900.00 kJ/mol   
99+
2,363.00 kJ/mol   
99+
4th Energy Level
3,145.00 kJ/mol   
99+
3,792.00 kJ/mol   
99+
Electrochemical Equivalent
1.48 g/amp-hr   
99+
3.20 g/amp-hr   
13
Electron Work Function
3.63 eV   
30
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Radioactivity   
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