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Chemical Properties of Neptunium and Nickel

Neptunium
Nickel
Chemical Properties of Nickel and Neptunium


Chemical Properties
Chemical Formula
Np   
Ni   
Isotopes
  
  
Known Isotopes
20   
19
25   
14
Electronegativity
  
  
Pauling Electronegativity
1.36   
29
1.91   
10
Sanderson Electronegativity
Not Available   
1.94   
10
Allred Rochow Electronegativity
1.22   
26
1.75   
3
Allen Electronegativity
Not Available   
1.88   
6
Electropositivity
  
  
Pauling Electropositivity
2.64   
25
2.09   
99+
Ionization Energies
  
  
1st Energy Level
604.50 kJ/mol   
99+
737.10 kJ/mol   
25
2nd Energy Level
1,128.00 kJ/mol   
99+
1,753.00 kJ/mol   
25
3rd Energy Level
1,997.00 kJ/mol   
99+
3,395.00 kJ/mol   
17
4th Energy Level
3,242.00 kJ/mol   
99+
5,300.00 kJ/mol   
15
5th Energy Level
Not Available   
7,339.00 kJ/mol   
15
6th Energy Level
Not Available   
10,400.00 kJ/mol   
9
7th Energy level
Not Available   
12,800.00 kJ/mol   
10
8th Energy Level
Not Available   
15,600.00 kJ/mol   
10
9th Energy Level
Not Available   
18,600.00 kJ/mol   
10
10th Energy Level
Not Available   
21,670.00 kJ/mol   
14
11th Energy Level
Not Available   
30,970.00 kJ/mol   
7
12th Energy Level
Not Available   
34,000.00 kJ/mol   
7
13th Energy Level
Not Available   
37,100.00 kJ/mol   
7
14th Energy Level
Not Available   
41,500.00 kJ/mol   
8
15th Energy Level
Not Available   
44,800.00 kJ/mol   
10
16th Energy Level
Not Available   
48,100.00 kJ/mol   
12
17th Energy Level
Not Available   
55,101.00 kJ/mol   
11
18th Energy Level
Not Available   
58,570.00 kJ/mol   
12
19th Energy Level
Not Available   
148,700.00 kJ/mol   
1
20th Energy Level
Not Available   
159,000.00 kJ/mol   
3
21st Energy Level
Not Available   
169,400.00 kJ/mol   
3
22nd Energy Level
Not Available   
182,700.00 kJ/mol   
2
23rd Energy Level
Not Available   
194,000.00 kJ/mol   
2
Electrochemical Equivalent
1.77 g/amp-hr   
39
1.10 g/amp-hr   
99+
Electron Work Function
Not Available   
5.15 eV   
2
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes   
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