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Chemical Properties of Promethium and Gallium

Promethium
Gallium
Chemical Properties of Gallium and Promethium


Chemical Properties
Chemical Formula
Pm   
Ga   
Isotopes
  
  
Known Isotopes
27   
12
24   
15
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.81   
15
Sanderson Electronegativity
Not Available   
2.42   
2
Allred Rochow Electronegativity
1.07   
32
1.82   
1
Mulliken-Jaffe Electronegativity
Not Available   
2.01   
5
Allen Electronegativity
Not Available   
1.76   
14
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.19   
39
Ionization Energies
  
  
1st Energy Level
540.00 kJ/mol   
99+
578.80 kJ/mol   
99+
2nd Energy Level
1,050.00 kJ/mol   
99+
1,979.30 kJ/mol   
13
3rd Energy Level
2,150.00 kJ/mol   
99+
2,963.00 kJ/mol   
28
4th Energy Level
3,970.00 kJ/mol   
38
6,180.00 kJ/mol   
8
Electrochemical Equivalent
1.80 g/amp-hr   
36
0.87 g/amp-hr   
99+
Electron Work Function
Not Available   
4.20 eV   
23
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes   
Atomic >>
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