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Chemical Properties of Osmium and Erbium

Osmium
Erbium
Chemical Properties of Erbium and Osmium


Chemical Properties
Chemical Formula
Os   
Er   
Isotopes
  
  
Known Isotopes
35   
4
31   
8
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
1.24   
36
Allred Rochow Electronegativity
1.52   
12
1.11   
29
Allen Electronegativity
1.65   
19
Not Available   
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
2.76   
18
Ionization Energies
  
  
1st Energy Level
840.00 kJ/mol   
12
589.30 kJ/mol   
99+
2nd Energy Level
1,309.80 kJ/mol   
99+
1,150.00 kJ/mol   
99+
3rd Energy Level
1,600.00 kJ/mol   
99+
2,194.00 kJ/mol   
99+
4th Energy Level
Not Available   
4,120.00 kJ/mol   
33
Electrochemical Equivalent
1.77 g/amp-hr   
38
2.08 g/amp-hr   
28
Electron Work Function
4.83 eV   
8
Not Available   
Other Chemical Properties
Chemical Stability, Ionization, Solubility   
Ionization, Radioactive Isotopes, Solubility   
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