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Chemical Properties of Protactinium and Hassium

Protactinium
Hassium
Chemical Properties of Hassium and Protactinium


Chemical Properties
Chemical Formula
Pa   
Hs   
Isotopes
  
  
Known Isotopes
27   
12
7   
31
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+
733.30 kJ/mol   
26
2nd Energy Level
1,128.00 kJ/mol   
99+
1,756.00 kJ/mol   
24
3rd Energy Level
1,814.00 kJ/mol   
99+
2,827.00 kJ/mol   
36
4th Energy Level
2,991.00 kJ/mol   
99+
3,637.50 kJ/mol   
99+
5th Energy Level
Not Available   
4,940.00 kJ/mol   
34
6th Energy Level
Not Available   
6,175.10 kJ/mol   
23
7th Energy level
Not Available   
7,535.50 kJ/mol   
21
8th Energy Level
Not Available   
8,857.40 kJ/mol   
20
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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