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Chemical Properties of Technetium and Radium

Technetium
Radium
Chemical Properties of Radium and Technetium


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