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Chemical Properties of Promethium and Plutonium

Promethium
Plutonium
Chemical Properties of Plutonium and Promethium


Chemical Properties
Chemical Formula
Pm   
Pu   
Isotopes
  
  
Known Isotopes
27   
12
20   
19
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.28   
33
Allred Rochow Electronegativity
1.07   
32
1.22   
26
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.72   
21
Ionization Energies
  
  
1st Energy Level
540.00 kJ/mol   
99+
584.70 kJ/mol   
99+
2nd Energy Level
1,050.00 kJ/mol   
99+
1,128.00 kJ/mol   
99+
3rd Energy Level
2,150.00 kJ/mol   
99+
2,084.00 kJ/mol   
99+
4th Energy Level
3,970.00 kJ/mol   
38
3,338.00 kJ/mol   
99+
Electrochemical Equivalent
1.80 g/amp-hr   
36
2.28 g/amp-hr   
22
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
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