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Chemical Properties of Osmium and Tantalum

Osmium
Tantalum
Chemical Properties of Tantalum and Osmium


Chemical Properties
Chemical Formula
Os   
Ta   
Isotopes
  
  
Known Isotopes
35   
4
31   
8
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
1.50   
27
Allred Rochow Electronegativity
1.52   
12
1.33   
22
Allen Electronegativity
1.65   
19
1.34   
33
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
2.50   
27
Ionization Energies
  
  
1st Energy Level
840.00 kJ/mol   
12
761.00 kJ/mol   
18
2nd Energy Level
1,309.80 kJ/mol   
99+
1,500.00 kJ/mol   
40
3rd Energy Level
1,600.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
1.77 g/amp-hr   
38
1.35 g/amp-hr   
99+
Electron Work Function
4.83 eV   
8
4.25 eV   
21
Other Chemical Properties
Chemical Stability, Ionization, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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