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Chemical Properties of Thallium and Radium

Thallium
Radium
Chemical Properties of Radium and Thallium


Chemical Properties
Chemical Formula
Tl   
Ra   
Isotopes
  
  
Known Isotopes
32   
7
33   
6
Electronegativity
  
  
Pauling Electronegativity
1.62   
21
0.90   
99+
Sanderson Electronegativity
2.25   
5
Not Available   
Allred Rochow Electronegativity
1.44   
17
0.97   
38
Mulliken-Jaffe Electronegativity
1.96   
6
0.92   
20
Allen Electronegativity
1.79   
13
0.89   
99+
Electropositivity
  
  
Pauling Electropositivity
2.38   
33
3.10   
5
Ionization Energies
  
  
1st Energy Level
589.40 kJ/mol   
99+
509.30 kJ/mol   
99+
2nd Energy Level
1,971.00 kJ/mol   
14
979.00 kJ/mol   
99+
3rd Energy Level
2,878.00 kJ/mol   
32
Not Available   
Electrochemical Equivalent
7.63 g/amp-hr   
2
4.22 g/amp-hr   
6
Electron Work Function
3.84 eV   
28
Not Available   
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
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