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Chemical Properties of Protactinium and Tin

Protactinium
Tin
Chemical Properties of Tin and Protactinium


Chemical Properties
Chemical Formula
Pa   
Sn   
Isotopes
  
  
Known Isotopes
27   
12
35   
4
Electronegativity
  
  
Pauling Electronegativity
1.50   
27
1.96   
8
Sanderson Electronegativity
Not Available   
1.49   
15
Allred Rochow Electronegativity
1.14   
28
1.72   
4
Mulliken-Jaffe Electronegativity
Not Available   
2.21   
3
Allen Electronegativity
Not Available   
1.82   
11
Electropositivity
  
  
Pauling Electropositivity
2.50   
27
2.04   
99+
Ionization Energies
  
  
1st Energy Level
568.00 kJ/mol   
99+
708.60 kJ/mol   
33
2nd Energy Level
1,128.00 kJ/mol   
99+
1,411.80 kJ/mol   
99+
3rd Energy Level
1,814.00 kJ/mol   
99+
2,943.00 kJ/mol   
30
4th Energy Level
2,991.00 kJ/mol   
99+
3,930.30 kJ/mol   
99+
5th Energy Level
Not Available   
7,456.00 kJ/mol   
13
Electrochemical Equivalent
1.72 g/amp-hr   
99+
1.11 g/amp-hr   
99+
Electron Work Function
Not Available   
4.42 eV   
16
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Solubility   
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