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Chemical Properties of Osmium and Thorium

Osmium
Thorium
Chemical Properties of Thorium and Osmium


Chemical Properties
Chemical Formula
Os   
Th   
Isotopes
  
  
Known Isotopes
35   
4
28   
11
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
1.30   
32
Allred Rochow Electronegativity
1.52   
12
1.11   
29
Allen Electronegativity
1.65   
19
Not Available   
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
2.70   
22
Ionization Energies
  
  
1st Energy Level
840.00 kJ/mol   
12
587.00 kJ/mol   
99+
2nd Energy Level
1,309.80 kJ/mol   
99+
1,110.00 kJ/mol   
99+
3rd Energy Level
1,600.00 kJ/mol   
99+
1,978.00 kJ/mol   
99+
4th Energy Level
Not Available   
2,780.00 kJ/mol   
99+
Electrochemical Equivalent
1.77 g/amp-hr   
38
2.16 g/amp-hr   
24
Electron Work Function
4.83 eV   
8
3.41 eV   
32
Other Chemical Properties
Chemical Stability, Ionization, Solubility   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
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