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Chemical Properties of Samarium and Polonium


Chemical Properties of Polonium and Samarium


Chemical Properties

Chemical Formula
Sm   
Po   

Isotopes
  
  

Known Isotopes
30   
9
29   
10

Electronegativity
  
  

Pauling Electronegativity
1.17   
40
2.00   
7

Allred Rochow Electronegativity
1.07   
32
1.76   
2

Mulliken-Jaffe Electronegativity
Not Available   
2.48   
1

Allen Electronegativity
Not Available   
2.19   
2

Electropositivity
  
  

Pauling Electropositivity
2.83   
14
2.00   
99+

Ionization Energies
  
  

1st Energy Level
544.50 kJ/mol   
99+
812.10 kJ/mol   
14

2nd Energy Level
1,070.00 kJ/mol   
99+
Not Available   

3rd Energy Level
2,260.00 kJ/mol   
99+
Not Available   

4th Energy Level
3,990.00 kJ/mol   
37
Not Available   

Electrochemical Equivalent
1.87 g/amp-hr   
34
3.90 g/amp-hr   
8

Electron Work Function
2.70 eV   
99+
Not Available   

Other Chemical Properties
Ionization, Radioactive Isotopes   
Ionization, Radioactive Isotopes, Solubility   

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