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Chemical Properties of Tin and Protactinium

Tin
Protactinium
Chemical Properties of Protactinium and Tin


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