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Chemical Properties of Magnesium and Neptunium

Magnesium
Neptunium
Chemical Properties of Neptunium and Magnesium


Chemical Properties
Chemical Formula
Mg   
Np   
Isotopes
  
  
Known Isotopes
15   
24
20   
19
Electronegativity
  
  
Pauling Electronegativity
1.31   
31
1.36   
29
Sanderson Electronegativity
1.32   
18
Not Available   
Allred Rochow Electronegativity
1.23   
25
1.22   
26
Mulliken-Jaffe Electronegativity
1.37   
16
Not Available   
Allen Electronegativity
1.29   
35
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.69   
23
2.64   
25
Ionization Energies
  
  
1st Energy Level
737.70 kJ/mol   
24
604.50 kJ/mol   
99+
2nd Energy Level
1,450.70 kJ/mol   
99+
1,128.00 kJ/mol   
99+
3rd Energy Level
7,732.70 kJ/mol   
5
1,997.00 kJ/mol   
99+
4th Energy Level
10,542.50 kJ/mol   
4
3,242.00 kJ/mol   
99+
5th Energy Level
13,630.00 kJ/mol   
3
Not Available   
6th Energy Level
18,020.00 kJ/mol   
3
Not Available   
7th Energy level
21,711.00 kJ/mol   
3
Not Available   
8th Energy Level
25,661.00 kJ/mol   
3
Not Available   
9th Energy Level
31,653.00 kJ/mol   
3
Not Available   
10th Energy Level
35,458.00 kJ/mol   
5
Not Available   
11th Energy Level
169,988.00 kJ/mol   
1
Not Available   
12th Energy Level
189,368.00 kJ/mol   
1
Not Available   
Electrochemical Equivalent
0.45 g/amp-hr   
99+
1.77 g/amp-hr   
39
Electron Work Function
3.66 eV   
29
Not Available   
Other Chemical Properties
Corrosion, Highly Inflammable, Ionization, Solubility   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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