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Chemical Properties of Protactinium and Polonium


Chemical Properties of Polonium and Protactinium


Chemical Properties

Chemical Formula
Pa   
Po   

Isotopes
  
  

Known Isotopes
27   
12
29   
10

Electronegativity
  
  

Pauling Electronegativity
1.50   
27
2.00   
7

Allred Rochow Electronegativity
1.14   
28
1.76   
2

Mulliken-Jaffe Electronegativity
Not Available   
2.48   
1

Allen Electronegativity
Not Available   
2.19   
2

Electropositivity
  
  

Pauling Electropositivity
2.50   
27
2.00   
99+

Ionization Energies
  
  

1st Energy Level
568.00 kJ/mol   
99+
812.10 kJ/mol   
14

2nd Energy Level
1,128.00 kJ/mol   
99+
Not Available   

3rd Energy Level
1,814.00 kJ/mol   
99+
Not Available   

4th Energy Level
2,991.00 kJ/mol   
99+
Not Available   

Electrochemical Equivalent
1.72 g/amp-hr   
99+
3.90 g/amp-hr   
8

Electron Work Function
Not Available   
Not Available   

Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Solubility   

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