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Chemical Properties of Thallium and Praseodymium

Thallium
Praseodymium
Chemical Properties of Praseodymium and Thallium


Chemical Properties
Chemical Formula
Tl   
Pr   
Isotopes
  
  
Known Isotopes
32   
7
31   
8
Electronegativity
  
  
Pauling Electronegativity
1.62   
21
1.13   
99+
Sanderson Electronegativity
2.25   
5
Not Available   
Allred Rochow Electronegativity
1.44   
17
1.07   
32
Mulliken-Jaffe Electronegativity
1.96   
6
Not Available   
Allen Electronegativity
1.79   
13
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.38   
33
2.87   
12
Ionization Energies
  
  
1st Energy Level
589.40 kJ/mol   
99+
527.00 kJ/mol   
99+
2nd Energy Level
1,971.00 kJ/mol   
14
1,020.00 kJ/mol   
99+
3rd Energy Level
2,878.00 kJ/mol   
32
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
7.63 g/amp-hr   
2
1.75 g/amp-hr   
40
Electron Work Function
3.84 eV   
28
2.70 eV   
99+
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes   
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