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Chemical Properties of Gallium and Neptunium

Gallium
Neptunium
Chemical Properties of Neptunium and Gallium


Chemical Properties
Chemical Formula
Ga   
Np   
Isotopes
  
  
Known Isotopes
24   
15
20   
19
Electronegativity
  
  
Pauling Electronegativity
1.81   
15
1.36   
29
Sanderson Electronegativity
2.42   
2
Not Available   
Allred Rochow Electronegativity
1.82   
1
1.22   
26
Mulliken-Jaffe Electronegativity
2.01   
5
Not Available   
Allen Electronegativity
1.76   
14
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.19   
39
2.64   
25
Ionization Energies
  
  
1st Energy Level
578.80 kJ/mol   
99+
604.50 kJ/mol   
99+
2nd Energy Level
1,979.30 kJ/mol   
13
1,128.00 kJ/mol   
99+
3rd Energy Level
2,963.00 kJ/mol   
28
1,997.00 kJ/mol   
99+
4th Energy Level
6,180.00 kJ/mol   
8
3,242.00 kJ/mol   
99+
Electrochemical Equivalent
0.87 g/amp-hr   
99+
1.77 g/amp-hr   
39
Electron Work Function
4.20 eV   
23
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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