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Chemical Properties of Ytterbium and Francium

Ytterbium
Francium
Chemical Properties of Francium and Ytterbium


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