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Chemical Properties of Bismuth and Protactinium

Bismuth
Protactinium
Chemical Properties of Protactinium and Bismuth


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