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Chemical Properties of Rhenium and Radium

Rhenium
Radium
Chemical Properties of Radium and Rhenium


Chemical Properties
Chemical Formula
Re   
Ra   
Isotopes
  
  
Known Isotopes
33   
6
33   
6
Electronegativity
  
  
Pauling Electronegativity
1.90   
11
0.90   
99+
Allred Rochow Electronegativity
1.46   
15
0.97   
38
Mulliken-Jaffe Electronegativity
Not Available   
0.92   
20
Allen Electronegativity
1.60   
21
0.89   
99+
Electropositivity
  
  
Pauling Electropositivity
2.10   
99+
3.10   
5
Ionization Energies
  
  
1st Energy Level
760.00 kJ/mol   
20
509.30 kJ/mol   
99+
2nd Energy Level
1,260.00 kJ/mol   
99+
979.00 kJ/mol   
99+
3rd Energy Level
2,510.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,640.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
0.99 g/amp-hr   
99+
4.22 g/amp-hr   
6
Electron Work Function
4.96 eV   
7
Not Available   
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
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