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Chemical Properties of Radium and Technetium

Radium
Technetium
Chemical Properties of Technetium and Radium


Chemical Properties
Chemical Formula
Ra   
Tc   
Isotopes
  
  
Known Isotopes
33   
6
18   
21
Electronegativity
  
  
Pauling Electronegativity
0.90   
99+
1.90   
11
Allred Rochow Electronegativity
0.97   
38
1.36   
20
Mulliken-Jaffe Electronegativity
0.92   
20
Not Available   
Allen Electronegativity
0.89   
99+
1.51   
28
Electropositivity
  
  
Pauling Electropositivity
3.10   
5
2.10   
99+
Ionization Energies
  
  
1st Energy Level
509.30 kJ/mol   
99+
702.00 kJ/mol   
36
2nd Energy Level
979.00 kJ/mol   
99+
1,470.00 kJ/mol   
99+
3rd Energy Level
Not Available   
2,850.00 kJ/mol   
33
Electrochemical Equivalent
4.22 g/amp-hr   
6
0.52 g/amp-hr   
99+
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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