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Chemical Properties of Plutonium and Samarium


Chemical Properties of Samarium and Plutonium


Chemical Properties

Chemical Formula
Pu   
Sm   

Isotopes
  
  

Known Isotopes
20   
19
30   
9

Electronegativity
  
  

Pauling Electronegativity
1.28   
33
1.17   
40

Allred Rochow Electronegativity
1.22   
26
1.07   
32

Electropositivity
  
  

Pauling Electropositivity
2.72   
21
2.83   
14

Ionization Energies
  
  

1st Energy Level
584.70 kJ/mol   
99+
544.50 kJ/mol   
99+

2nd Energy Level
1,128.00 kJ/mol   
99+
1,070.00 kJ/mol   
99+

3rd Energy Level
2,084.00 kJ/mol   
99+
2,260.00 kJ/mol   
99+

4th Energy Level
3,338.00 kJ/mol   
99+
3,990.00 kJ/mol   
37

Electrochemical Equivalent
2.28 g/amp-hr   
22
1.87 g/amp-hr   
34

Electron Work Function
Not Available   
2.70 eV   
99+

Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes   

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