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Chemical Properties of Americium and Radium

Americium
Radium
Chemical Properties of Radium and Americium


Chemical Properties
Chemical Formula
Am   
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
578.00 kJ/mol   
99+
509.30 kJ/mol   
99+
2nd Energy Level
1,158.00 kJ/mol   
99+
979.00 kJ/mol   
99+
3rd Energy Level
2,132.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,493.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
3.02 g/amp-hr   
17
4.22 g/amp-hr   
6
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
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