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Chemical Properties of Ruthenium and Protactinium


Chemical Properties of Protactinium and Ruthenium


Chemical Properties

Chemical Formula
Ru   
Pa   

Isotopes
  
  

Known Isotopes
26   
13
27   
12

Electronegativity
  
  

Pauling Electronegativity
2.20   
4
1.50   
27

Allred Rochow Electronegativity
1.42   
18
1.14   
28

Allen Electronegativity
1.54   
25
Not Available   

Electropositivity
  
  

Pauling Electropositivity
1.80   
99+
2.50   
27

Ionization Energies
  
  

1st Energy Level
710.20 kJ/mol   
32
568.00 kJ/mol   
99+

2nd Energy Level
710.22 kJ/mol   
99+
1,128.00 kJ/mol   
99+

3rd Energy Level
2,747.00 kJ/mol   
37
1,814.00 kJ/mol   
99+

4th Energy Level
Not Available   
2,991.00 kJ/mol   
99+

Electrochemical Equivalent
1.26 g/amp-hr   
99+
1.72 g/amp-hr   
99+

Electron Work Function
4.71 eV   
9
Not Available   

Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   

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