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Chemical Properties of Radium and Lutetium

Radium
Lutetium
Chemical Properties of Lutetium and Radium


Chemical Properties
Chemical Formula
Ra   
Lu   
Isotopes
  
  
Known Isotopes
33   
6
35   
4
Electronegativity
  
  
Pauling Electronegativity
0.90   
99+
1.27   
34
Allred Rochow Electronegativity
0.97   
38
1.14   
28
Mulliken-Jaffe Electronegativity
0.92   
20
Not Available   
Allen Electronegativity
0.89   
99+
Not Available   
Electropositivity
  
  
Pauling Electropositivity
3.10   
5
2.73   
20
Ionization Energies
  
  
1st Energy Level
509.30 kJ/mol   
99+
523.50 kJ/mol   
99+
2nd Energy Level
979.00 kJ/mol   
99+
1,340.00 kJ/mol   
99+
3rd Energy Level
Not Available   
2,022.30 kJ/mol   
99+
4th Energy Level
Not Available   
4,370.00 kJ/mol   
28
5th Energy Level
Not Available   
6,445.00 kJ/mol   
21
Electrochemical Equivalent
4.22 g/amp-hr   
6
2.18 g/amp-hr   
23
Electron Work Function
Not Available   
3.30 eV   
33
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
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