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Chemical Properties of Samarium and Francium

Samarium
Francium
Chemical Properties of Francium and Samarium


Chemical Properties
Chemical Formula
Sm   
Fr   
Isotopes
  
  
Known Isotopes
30   
9
33   
6
Electronegativity
  
  
Pauling Electronegativity
1.17   
40
0.70   
99+
Allred Rochow Electronegativity
1.07   
32
0.86   
99+
Mulliken-Jaffe Electronegativity
Not Available   
0.68   
25
Allen Electronegativity
Not Available   
0.67   
99+
Electropositivity
  
  
Pauling Electropositivity
2.83   
14
3.30   
1
Ionization Energies
  
  
1st Energy Level
544.50 kJ/mol   
99+
380.00 kJ/mol   
99+
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
8.32 g/amp-hr   
1
Electron Work Function
2.70 eV   
99+
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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