Chemical Properties of Neptunium and Iron
Chemical Formula
Np
  
Fe
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Sanderson Electronegativity
Not Available
  
Allred Rochow Electronegativity
Allen Electronegativity
Not Available
  
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
604.50 kJ/mol
  
99+
762.50 kJ/mol
  
17
2nd Energy Level
1,128.00 kJ/mol
  
99+
1,561.90 kJ/mol
  
36
3rd Energy Level
1,997.00 kJ/mol
  
99+
2,957.00 kJ/mol
  
29
4th Energy Level
3,242.00 kJ/mol
  
99+
5,290.00 kJ/mol
  
16
5th Energy Level
Not Available
  
7,240.00 kJ/mol
  
16
6th Energy Level
Not Available
  
9,560.00 kJ/mol
  
14
7th Energy level
Not Available
  
12,060.00 kJ/mol
  
15
8th Energy Level
Not Available
  
14,580.00 kJ/mol
  
14
9th Energy Level
Not Available
  
22,540.00 kJ/mol
  
5
10th Energy Level
Not Available
  
25,290.00 kJ/mol
  
8
11th Energy Level
Not Available
  
28,000.00 kJ/mol
  
9
12th Energy Level
Not Available
  
31,920.00 kJ/mol
  
9
13th Energy Level
Not Available
  
34,830.00 kJ/mol
  
9
14th Energy Level
Not Available
  
37,840.00 kJ/mol
  
11
15th Energy Level
Not Available
  
44,100.00 kJ/mol
  
11
16th Energy Level
Not Available
  
47,206.00 kJ/mol
  
13
17th Energy Level
Not Available
  
122,200.00 kJ/mol
  
1
18th Energy Level
Not Available
  
131,000.00 kJ/mol
  
2
19th Energy Level
Not Available
  
140,500.00 kJ/mol
  
3
20th Energy Level
Not Available
  
152,600.00 kJ/mol
  
5
21st Energy Level
Not Available
  
163,000.00 kJ/mol
  
5
22nd Energy Level
Not Available
  
173,600.00 kJ/mol
  
4
23rd Energy Level
Not Available
  
188,100.00 kJ/mol
  
4
24th Energy Level
Not Available
  
195,200.00 kJ/mol
  
1
Electrochemical Equivalent
1.77 g/amp-hr
  
39
0.69 g/amp-hr
  
99+
Electron Work Function
Not Available
  
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
  
Corrosion, Ionization, Solubility