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Chemical Properties of Uranium and Tantalum

Uranium
Tantalum
Chemical Properties of Tantalum and Uranium


Chemical Properties
Chemical Formula
U   
Ta   
Isotopes
  
  
Known Isotopes
25   
14
31   
8
Electronegativity
  
  
Pauling Electronegativity
1.38   
28
1.50   
27
Allred Rochow Electronegativity
1.22   
26
1.33   
22
Allen Electronegativity
Not Available   
1.34   
33
Electropositivity
  
  
Pauling Electropositivity
2.62   
26
2.50   
27
Ionization Energies
  
  
1st Energy Level
597.60 kJ/mol   
99+
761.00 kJ/mol   
18
2nd Energy Level
1,420.00 kJ/mol   
99+
1,500.00 kJ/mol   
40
3rd Energy Level
1,900.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,145.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
1.48 g/amp-hr   
99+
1.35 g/amp-hr   
99+
Electron Work Function
3.63 eV   
30
4.25 eV   
21
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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