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Chemical Properties of Radium and Rhenium

Radium
Rhenium
Chemical Properties of Rhenium and Radium


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