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Chemical Properties of Uranium and Berkelium


Chemical Properties of Berkelium and Uranium


Chemical Properties

Chemical Formula
U   
Bk   

Isotopes
  
  

Known Isotopes
25   
14
14   
25

Electronegativity
  
  

Pauling Electronegativity
1.38   
28
1.30   
32

Allred Rochow Electronegativity
1.22   
26
1.20   
27

Allen Electronegativity
Not Available   
2.70   
1

Electropositivity
  
  

Pauling Electropositivity
2.62   
26
2.70   
22

Ionization Energies
  
  

1st Energy Level
597.60 kJ/mol   
99+
601.00 kJ/mol   
99+

2nd Energy Level
1,420.00 kJ/mol   
99+
1,186.00 kJ/mol   
99+

3rd Energy Level
1,900.00 kJ/mol   
99+
2,152.00 kJ/mol   
99+

4th Energy Level
3,145.00 kJ/mol   
99+
3,434.00 kJ/mol   
99+

Electrochemical Equivalent
1.48 g/amp-hr   
99+
3.07 g/amp-hr   
16

Electron Work Function
3.63 eV   
30
Not Available   

Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Radioactivity   

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