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Chemical Properties of Technetium and Praseodymium

Technetium
Praseodymium
Chemical Properties of Praseodymium and Technetium


Chemical Properties
Chemical Formula
Tc   
Pr   
Isotopes
  
  
Known Isotopes
18   
21
31   
8
Electronegativity
  
  
Pauling Electronegativity
1.90   
11
1.13   
99+
Allred Rochow Electronegativity
1.36   
20
1.07   
32
Allen Electronegativity
1.51   
28
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.10   
99+
2.87   
12
Ionization Energies
  
  
1st Energy Level
702.00 kJ/mol   
36
527.00 kJ/mol   
99+
2nd Energy Level
1,470.00 kJ/mol   
99+
1,020.00 kJ/mol   
99+
3rd Energy Level
2,850.00 kJ/mol   
33
2,086.00 kJ/mol   
99+
4th Energy Level
Not Available   
3,761.00 kJ/mol   
99+
5th Energy Level
Not Available   
5,551.00 kJ/mol   
29
Electrochemical Equivalent
0.52 g/amp-hr   
99+
1.75 g/amp-hr   
40
Electron Work Function
Not Available   
2.70 eV   
99+
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes   
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