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Chemical Properties of Erbium and Uranium

Erbium
Uranium
Chemical Properties of Uranium and Erbium


Chemical Properties
Chemical Formula
Er   
U   
Isotopes
  
  
Known Isotopes
31   
8
25   
14
Electronegativity
  
  
Pauling Electronegativity
1.24   
36
1.38   
28
Allred Rochow Electronegativity
1.11   
29
1.22   
26
Electropositivity
  
  
Pauling Electropositivity
2.76   
18
2.62   
26
Ionization Energies
  
  
1st Energy Level
589.30 kJ/mol   
99+
597.60 kJ/mol   
99+
2nd Energy Level
1,150.00 kJ/mol   
99+
1,420.00 kJ/mol   
99+
3rd Energy Level
2,194.00 kJ/mol   
99+
1,900.00 kJ/mol   
99+
4th Energy Level
4,120.00 kJ/mol   
33
3,145.00 kJ/mol   
99+
Electrochemical Equivalent
2.08 g/amp-hr   
28
1.48 g/amp-hr   
99+
Electron Work Function
Not Available   
3.63 eV   
30
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
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