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Chemical Properties of Erbium and Ruthenium

Erbium
Ruthenium
Chemical Properties of Ruthenium and Erbium


Chemical Properties
Chemical Formula
Er   
Ru   
Isotopes
  
  
Known Isotopes
31   
8
26   
13
Electronegativity
  
  
Pauling Electronegativity
1.24   
36
2.20   
4
Allred Rochow Electronegativity
1.11   
29
1.42   
18
Allen Electronegativity
Not Available   
1.54   
25
Electropositivity
  
  
Pauling Electropositivity
2.76   
18
1.80   
99+
Ionization Energies
  
  
1st Energy Level
589.30 kJ/mol   
99+
710.20 kJ/mol   
32
2nd Energy Level
1,150.00 kJ/mol   
99+
710.22 kJ/mol   
99+
3rd Energy Level
2,194.00 kJ/mol   
99+
2,747.00 kJ/mol   
37
4th Energy Level
4,120.00 kJ/mol   
33
Not Available   
Electrochemical Equivalent
2.08 g/amp-hr   
28
1.26 g/amp-hr   
99+
Electron Work Function
Not Available   
4.71 eV   
9
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
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