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Chemical Properties of Francium and Ytterbium

Francium
Ytterbium
Chemical Properties of Ytterbium and Francium


Chemical Properties
Chemical Formula
Fr   
Yb   
Isotopes
  
  
Known Isotopes
33   
6
30   
9
Electronegativity
  
  
Pauling Electronegativity
0.70   
99+
Not Available   
Allred Rochow Electronegativity
0.86   
99+
1.06   
33
Mulliken-Jaffe Electronegativity
0.68   
25
Not Available   
Allen Electronegativity
0.67   
99+
Not Available   
Electropositivity
  
  
Pauling Electropositivity
3.30   
1
Not Available   
Ionization Energies
  
  
1st Energy Level
380.00 kJ/mol   
99+
603.40 kJ/mol   
99+
2nd Energy Level
Not Available   
1,174.80 kJ/mol   
99+
3rd Energy Level
Not Available   
2,417.00 kJ/mol   
99+
4th Energy Level
Not Available   
4,203.00 kJ/mol   
31
Electrochemical Equivalent
8.32 g/amp-hr   
1
2.15 g/amp-hr   
25
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Ionization, Radioactive Isotopes, Solubility   
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