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Chemical Properties of Osmium and Tungsten

Osmium
Tungsten
Chemical Properties of Tungsten and Osmium


Chemical Properties
Chemical Formula
Os   
W   
Isotopes
  
  
Known Isotopes
35   
4
33   
6
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
2.36   
2
Sanderson Electronegativity
Not Available   
0.98   
23
Allred Rochow Electronegativity
1.52   
12
1.40   
19
Allen Electronegativity
1.65   
19
1.47   
29
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
1.64   
99+
Ionization Energies
  
  
1st Energy Level
840.00 kJ/mol   
12
770.00 kJ/mol   
16
2nd Energy Level
1,309.80 kJ/mol   
99+
1,700.00 kJ/mol   
29
3rd Energy Level
1,600.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
1.77 g/amp-hr   
38
1.14 g/amp-hr   
99+
Electron Work Function
4.83 eV   
8
4.55 eV   
13
Other Chemical Properties
Chemical Stability, Ionization, Solubility   
Ionization, Radioactive Isotopes, Solubility   
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