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Chemical Properties of Tantalum and Osmium

Tantalum
Osmium
Chemical Properties of Osmium and Tantalum


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