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Chemical Properties of Hassium and Protactinium

Hassium
Protactinium
Chemical Properties of Protactinium and Hassium


Chemical Properties
Chemical Formula
Hs   
Pa   
Isotopes
  
  
Known Isotopes
7   
31
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
733.30 kJ/mol   
26
568.00 kJ/mol   
99+
2nd Energy Level
1,756.00 kJ/mol   
24
1,128.00 kJ/mol   
99+
3rd Energy Level
2,827.00 kJ/mol   
36
1,814.00 kJ/mol   
99+
4th Energy Level
3,637.50 kJ/mol   
99+
2,991.00 kJ/mol   
99+
5th Energy Level
4,940.00 kJ/mol   
34
Not Available   
6th Energy Level
6,175.10 kJ/mol   
23
Not Available   
7th Energy level
7,535.50 kJ/mol   
21
Not Available   
8th Energy Level
8,857.40 kJ/mol   
20
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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