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Chemical Properties of Samarium and Plutonium

Samarium
Plutonium
Chemical Properties of Plutonium and Samarium


Chemical Properties
Chemical Formula
Sm   
Pu   
Isotopes
  
  
Known Isotopes
30   
9
20   
19
Electronegativity
  
  
Pauling Electronegativity
1.17   
40
1.28   
33
Allred Rochow Electronegativity
1.07   
32
1.22   
26
Electropositivity
  
  
Pauling Electropositivity
2.83   
14
2.72   
21
Ionization Energies
  
  
1st Energy Level
544.50 kJ/mol   
99+
584.70 kJ/mol   
99+
2nd Energy Level
1,070.00 kJ/mol   
99+
1,128.00 kJ/mol   
99+
3rd Energy Level
2,260.00 kJ/mol   
99+
2,084.00 kJ/mol   
99+
4th Energy Level
3,990.00 kJ/mol   
37
3,338.00 kJ/mol   
99+
Electrochemical Equivalent
1.87 g/amp-hr   
34
2.28 g/amp-hr   
22
Electron Work Function
2.70 eV   
99+
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
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