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Chemical Properties of Praseodymium and Radium

Praseodymium
Radium
Chemical Properties of Radium and Praseodymium


Chemical Properties
Chemical Formula
Pr   
Ra   
Isotopes
  
  
Known Isotopes
31   
8
33   
6
Electronegativity
  
  
Pauling Electronegativity
1.13   
99+
0.90   
99+
Allred Rochow Electronegativity
1.07   
32
0.97   
38
Mulliken-Jaffe Electronegativity
Not Available   
0.92   
20
Allen Electronegativity
Not Available   
0.89   
99+
Electropositivity
  
  
Pauling Electropositivity
2.87   
12
3.10   
5
Ionization Energies
  
  
1st Energy Level
527.00 kJ/mol   
99+
509.30 kJ/mol   
99+
2nd Energy Level
1,020.00 kJ/mol   
99+
979.00 kJ/mol   
99+
3rd Energy Level
2,086.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,761.00 kJ/mol   
99+
Not Available   
5th Energy Level
5,551.00 kJ/mol   
29
Not Available   
Electrochemical Equivalent
1.75 g/amp-hr   
40
4.22 g/amp-hr   
6
Electron Work Function
2.70 eV   
99+
Not Available   
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes   
Ionization, Radioactive Isotopes, Radioactivity   
Atomic >>
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