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Chemical Properties of Cadmium and Protactinium

Cadmium
Protactinium
Chemical Properties of Protactinium and Cadmium


Chemical Properties
Chemical Formula
Cd   
Pa   
Isotopes
  
  
Known Isotopes
34   
5
27   
12
Electronegativity
  
  
Pauling Electronegativity
1.69   
17
1.50   
27
Sanderson Electronegativity
1.98   
9
Not Available   
Allred Rochow Electronegativity
1.46   
15
1.14   
28
Mulliken-Jaffe Electronegativity
1.53   
13
Not Available   
Allen Electronegativity
1.52   
27
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.31   
37
2.50   
27
Ionization Energies
  
  
1st Energy Level
867.80 kJ/mol   
11
568.00 kJ/mol   
99+
2nd Energy Level
1,631.40 kJ/mol   
32
1,128.00 kJ/mol   
99+
3rd Energy Level
3,616.00 kJ/mol   
13
1,814.00 kJ/mol   
99+
4th Energy Level
Not Available   
2,991.00 kJ/mol   
99+
Electrochemical Equivalent
2.10 g/amp-hr   
27
1.72 g/amp-hr   
99+
Electron Work Function
4.22 eV   
22
Not Available   
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
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