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Chemical Properties of Radium and Francium

Radium
Francium
Chemical Properties of Francium and Radium


Chemical Properties
Chemical Formula
Ra   
Fr   
Isotopes
  
  
Known Isotopes
33   
6
33   
6
Electronegativity
  
  
Pauling Electronegativity
0.90   
99+
0.70   
99+
Allred Rochow Electronegativity
0.97   
38
0.86   
99+
Mulliken-Jaffe Electronegativity
0.92   
20
0.68   
25
Allen Electronegativity
0.89   
99+
0.67   
99+
Electropositivity
  
  
Pauling Electropositivity
3.10   
5
3.30   
1
Ionization Energies
  
  
1st Energy Level
509.30 kJ/mol   
99+
380.00 kJ/mol   
99+
2nd Energy Level
979.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
4.22 g/amp-hr   
6
8.32 g/amp-hr   
1
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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