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Chemical Properties of Polonium and Samarium

Polonium
Samarium
Chemical Properties of Samarium and Polonium


Chemical Properties
Chemical Formula
Po   
Sm   
Isotopes
  
  
Known Isotopes
29   
10
30   
9
Electronegativity
  
  
Pauling Electronegativity
2.00   
7
1.17   
40
Allred Rochow Electronegativity
1.76   
2
1.07   
32
Mulliken-Jaffe Electronegativity
2.48   
1
Not Available   
Allen Electronegativity
2.19   
2
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.00   
99+
2.83   
14
Ionization Energies
  
  
1st Energy Level
812.10 kJ/mol   
14
544.50 kJ/mol   
99+
2nd Energy Level
Not Available   
1,070.00 kJ/mol   
99+
3rd Energy Level
Not Available   
2,260.00 kJ/mol   
99+
4th Energy Level
Not Available   
3,990.00 kJ/mol   
37
Electrochemical Equivalent
3.90 g/amp-hr   
8
1.87 g/amp-hr   
34
Electron Work Function
Not Available   
2.70 eV   
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes   
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