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Chemical Properties of Protactinium and Dubnium

Protactinium
Dubnium
Chemical Properties of Dubnium and Protactinium


Chemical Properties
Chemical Formula
Pa   
Db   
Isotopes
  
  
Known Isotopes
27   
12
10   
28
Electronegativity
  
  
Pauling Electronegativity
1.50   
27
Not Available   
Allred Rochow Electronegativity
1.14   
28
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.50   
27
Not Available   
Ionization Energies
  
  
1st Energy Level
568.00 kJ/mol   
99+
664.80 kJ/mol   
38
2nd Energy Level
1,128.00 kJ/mol   
99+
1,546.70 kJ/mol   
38
3rd Energy Level
1,814.00 kJ/mol   
99+
2,378.40 kJ/mol   
99+
4th Energy Level
2,991.00 kJ/mol   
99+
3,298.80 kJ/mol   
99+
5th Energy Level
Not Available   
4,305.20 kJ/mol   
39
Electrochemical Equivalent
1.72 g/amp-hr   
99+
Not Available   
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Radioactivity   
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