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Chemical Properties of Thorium and Technetium

Thorium
Technetium
Chemical Properties of Technetium and Thorium


Chemical Properties
Chemical Formula
Th   
Tc   
Isotopes
  
  
Known Isotopes
28   
11
18   
21
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
1.90   
11
Allred Rochow Electronegativity
1.11   
29
1.36   
20
Allen Electronegativity
Not Available   
1.51   
28
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
2.10   
99+
Ionization Energies
  
  
1st Energy Level
587.00 kJ/mol   
99+
702.00 kJ/mol   
36
2nd Energy Level
1,110.00 kJ/mol   
99+
1,470.00 kJ/mol   
99+
3rd Energy Level
1,978.00 kJ/mol   
99+
2,850.00 kJ/mol   
33
4th Energy Level
2,780.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
2.16 g/amp-hr   
24
0.52 g/amp-hr   
99+
Electron Work Function
3.41 eV   
32
Not Available   
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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