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Chemical Properties of Dubnium and Protactinium


Chemical Properties of Protactinium and Dubnium


Chemical Properties

Chemical Formula
Db   
Pa   

Isotopes
  
  

Known Isotopes
10   
28
27   
12

Electronegativity
  
  

Pauling Electronegativity
Not Available   
1.50   
27

Allred Rochow Electronegativity
Not Available   
1.14   
28

Electropositivity
  
  

Pauling Electropositivity
Not Available   
2.50   
27

Ionization Energies
  
  

1st Energy Level
664.80 kJ/mol   
38
568.00 kJ/mol   
99+

2nd Energy Level
1,546.70 kJ/mol   
38
1,128.00 kJ/mol   
99+

3rd Energy Level
2,378.40 kJ/mol   
99+
1,814.00 kJ/mol   
99+

4th Energy Level
3,298.80 kJ/mol   
99+
2,991.00 kJ/mol   
99+

5th Energy Level
4,305.20 kJ/mol   
39
Not Available   

Electrochemical Equivalent
Not Available   
1.72 g/amp-hr   
99+

Electron Work Function
Not Available   
Not Available   

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

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