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Chemical Properties of Francium and Praseodymium

Francium
Praseodymium
Chemical Properties of Praseodymium and Francium


Chemical Properties
Chemical Formula
Fr   
Pr   
Isotopes
  
  
Known Isotopes
33   
6
31   
8
Electronegativity
  
  
Pauling Electronegativity
0.70   
99+
1.13   
99+
Allred Rochow Electronegativity
0.86   
99+
1.07   
32
Mulliken-Jaffe Electronegativity
0.68   
25
Not Available   
Allen Electronegativity
0.67   
99+
Not Available   
Electropositivity
  
  
Pauling Electropositivity
3.30   
1
2.87   
12
Ionization Energies
  
  
1st Energy Level
380.00 kJ/mol   
99+
527.00 kJ/mol   
99+
2nd Energy Level
Not Available   
1,020.00 kJ/mol   
99+
3rd Energy Level
Not Available   
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
8.32 g/amp-hr   
1
1.75 g/amp-hr   
40
Electron Work Function
Not Available   
2.70 eV   
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes   
Atomic >>
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