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Chemical Properties of Protactinium and Rhodium

Protactinium
Rhodium
Chemical Properties of Rhodium and Protactinium


Chemical Properties
Chemical Formula
Pa   
Rh   
Isotopes
  
  
Known Isotopes
27   
12
16   
23
Electronegativity
  
  
Pauling Electronegativity
1.50   
27
2.28   
3
Allred Rochow Electronegativity
1.14   
28
1.45   
16
Allen Electronegativity
Not Available   
1.56   
24
Electropositivity
  
  
Pauling Electropositivity
2.50   
27
1.72   
99+
Ionization Energies
  
  
1st Energy Level
568.00 kJ/mol   
99+
719.70 kJ/mol   
29
2nd Energy Level
1,128.00 kJ/mol   
99+
1,740.00 kJ/mol   
26
3rd Energy Level
1,814.00 kJ/mol   
99+
2,997.00 kJ/mol   
27
4th Energy Level
2,991.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
1.72 g/amp-hr   
99+
1.28 g/amp-hr   
99+
Electron Work Function
Not Available   
4.98 eV   
6
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Ionization, Radioactive Isotopes   
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