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Chemical Properties of Protactinium and Bismuth

Protactinium
Bismuth
Chemical Properties of Bismuth and Protactinium


Chemical Properties
Chemical Formula
Pa   
Bi   
Isotopes
  
  
Known Isotopes
27   
12
33   
6
Electronegativity
  
  
Pauling Electronegativity
1.50   
27
2.02   
6
Sanderson Electronegativity
Not Available   
2.34   
3
Allred Rochow Electronegativity
1.14   
28
1.67   
6
Mulliken-Jaffe Electronegativity
Not Available   
2.15   
4
Allen Electronegativity
Not Available   
2.01   
4
Electropositivity
  
  
Pauling Electropositivity
2.50   
27
1.98   
99+
Ionization Energies
  
  
1st Energy Level
568.00 kJ/mol   
99+
703.00 kJ/mol   
35
2nd Energy Level
1,128.00 kJ/mol   
99+
1,610.00 kJ/mol   
33
3rd Energy Level
1,814.00 kJ/mol   
99+
2,466.00 kJ/mol   
99+
4th Energy Level
2,991.00 kJ/mol   
99+
4,370.00 kJ/mol   
28
5th Energy Level
Not Available   
5,400.00 kJ/mol   
30
6th Energy Level
Not Available   
8,520.00 kJ/mol   
19
Electrochemical Equivalent
1.72 g/amp-hr   
99+
2.60 g/amp-hr   
19
Electron Work Function
Not Available   
4.22 eV   
22
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Solubility   
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