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Chemical Properties of Mendelevium and Radium

Mendelevium
Radium
Chemical Properties of Radium and Mendelevium


Chemical Properties
Chemical Formula
Md   
Ra   
Isotopes
  
  
Known Isotopes
16   
23
33   
6
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
0.90   
99+
Allred Rochow Electronegativity
1.20   
27
0.97   
38
Mulliken-Jaffe Electronegativity
Not Available   
0.92   
20
Allen Electronegativity
Not Available   
0.89   
99+
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
3.10   
5
Ionization Energies
  
  
1st Energy Level
635.00 kJ/mol   
99+
509.30 kJ/mol   
99+
2nd Energy Level
1,235.00 kJ/mol   
99+
979.00 kJ/mol   
99+
3rd Energy Level
2,470.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,840.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
3.21 g/amp-hr   
12
4.22 g/amp-hr   
6
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Radioactivity   
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