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Chemical Properties of Osmium and Rhenium

Osmium
Rhenium
Chemical Properties of Rhenium and Osmium


Chemical Properties
Chemical Formula
Os   
Re   
Isotopes
  
  
Known Isotopes
35   
4
33   
6
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
1.90   
11
Allred Rochow Electronegativity
1.52   
12
1.46   
15
Allen Electronegativity
1.65   
19
1.60   
21
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
2.10   
99+
Ionization Energies
  
  
1st Energy Level
840.00 kJ/mol   
12
760.00 kJ/mol   
20
2nd Energy Level
1,309.80 kJ/mol   
99+
1,260.00 kJ/mol   
99+
3rd Energy Level
1,600.00 kJ/mol   
99+
2,510.00 kJ/mol   
99+
4th Energy Level
Not Available   
3,640.00 kJ/mol   
99+
Electrochemical Equivalent
1.77 g/amp-hr   
38
0.99 g/amp-hr   
99+
Electron Work Function
4.83 eV   
8
4.96 eV   
7
Other Chemical Properties
Chemical Stability, Ionization, Solubility   
Corrosion, Ionization, Radioactive Isotopes, Solubility   
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