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Chemical Properties of Actinium and Uranium

Actinium
Uranium
Chemical Properties of Uranium and Actinium


Chemical Properties
Chemical Formula
Ac   
U   
Isotopes
  
  
Known Isotopes
29   
10
25   
14
Electronegativity
  
  
Pauling Electronegativity
1.10   
99+
1.38   
28
Allred Rochow Electronegativity
1.00   
36
1.22   
26
Electropositivity
  
  
Pauling Electropositivity
2.90   
10
2.62   
26
Ionization Energies
  
  
1st Energy Level
499.00 kJ/mol   
99+
597.60 kJ/mol   
99+
2nd Energy Level
1,170.00 kJ/mol   
99+
1,420.00 kJ/mol   
99+
3rd Energy Level
1,900.00 kJ/mol   
99+
1,900.00 kJ/mol   
99+
4th Energy Level
4,700.00 kJ/mol   
23
3,145.00 kJ/mol   
99+
Electrochemical Equivalent
2.82 g/amp-hr   
18
1.48 g/amp-hr   
99+
Electron Work Function
Not Available   
3.63 eV   
30
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
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