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Chemical Properties of Technetium and Thorium

Technetium
Thorium
Chemical Properties of Thorium and Technetium


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