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Chemical Properties of Rhenium and Osmium

Rhenium
Osmium
Chemical Properties of Osmium and Rhenium


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