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Chemical Properties of Praseodymium and Osmium

Praseodymium
Osmium
Chemical Properties of Osmium and Praseodymium


Chemical Properties
Chemical Formula
Pr   
Os   
Isotopes
  
  
Known Isotopes
31   
8
35   
4
Electronegativity
  
  
Pauling Electronegativity
1.13   
99+
2.20   
4
Allred Rochow Electronegativity
1.07   
32
1.52   
12
Allen Electronegativity
Not Available   
1.65   
19
Electropositivity
  
  
Pauling Electropositivity
2.87   
12
1.80   
99+
Ionization Energies
  
  
1st Energy Level
527.00 kJ/mol   
99+
840.00 kJ/mol   
12
2nd Energy Level
1,020.00 kJ/mol   
99+
1,309.80 kJ/mol   
99+
3rd Energy Level
2,086.00 kJ/mol   
99+
1,600.00 kJ/mol   
99+
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
1.77 g/amp-hr   
38
Electron Work Function
2.70 eV   
99+
4.83 eV   
8
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes   
Chemical Stability, Ionization, Solubility   
Atomic >>
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