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Chemical Properties of Promethium and Rutherfordium

Promethium
Rutherfordium
Chemical Properties of Rutherfordium and Promethium


Chemical Properties
Chemical Formula
Pm   
Rf   
Isotopes
  
  
Known Isotopes
27   
12
13   
26
Electronegativity
  
  
Allred Rochow Electronegativity
1.07   
32
Not Available   
Electropositivity
  
  
Ionization Energies
  
  
1st Energy Level
540.00 kJ/mol   
99+
579.90 kJ/mol   
99+
2nd Energy Level
1,050.00 kJ/mol   
99+
1,389.40 kJ/mol   
99+
3rd Energy Level
2,150.00 kJ/mol   
99+
2,296.40 kJ/mol   
99+
4th Energy Level
3,970.00 kJ/mol   
38
3,077.90 kJ/mol   
99+
Electrochemical Equivalent
1.80 g/amp-hr   
36
Not Available   
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
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Lanthanide Metals

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