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Chemical Properties of Ruthenium and Promethium

Ruthenium
Promethium
Chemical Properties of Promethium and Ruthenium


Chemical Properties
Chemical Formula
Ru   
Pm   
Isotopes
  
  
Known Isotopes
26   
13
27   
12
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
Not Available   
Allred Rochow Electronegativity
1.42   
18
1.07   
32
Allen Electronegativity
1.54   
25
Not Available   
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
Not Available   
Ionization Energies
  
  
1st Energy Level
710.20 kJ/mol   
32
540.00 kJ/mol   
99+
2nd Energy Level
710.22 kJ/mol   
99+
1,050.00 kJ/mol   
99+
3rd Energy Level
2,747.00 kJ/mol   
37
2,150.00 kJ/mol   
99+
4th Energy Level
Not Available   
3,970.00 kJ/mol   
38
Electrochemical Equivalent
1.26 g/amp-hr   
99+
1.80 g/amp-hr   
36
Electron Work Function
4.71 eV   
9
Not Available   
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Solubility   
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