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Chemical Properties of Nickel and Cobalt

Nickel
Cobalt
Chemical Properties of Cobalt and Nickel


Chemical Properties
Chemical Formula
Ni   
Co   
Isotopes
  
  
Known Isotopes
25   
14
26   
13
Electronegativity
  
  
Pauling Electronegativity
1.91   
10
1.88   
12
Sanderson Electronegativity
1.94   
10
2.56   
1
Allred Rochow Electronegativity
1.75   
3
1.70   
5
Allen Electronegativity
1.88   
6
1.84   
10
Electropositivity
  
  
Pauling Electropositivity
2.09   
99+
2.12   
99+
Ionization Energies
  
  
1st Energy Level
737.10 kJ/mol   
25
760.40 kJ/mol   
19
2nd Energy Level
1,753.00 kJ/mol   
25
1,648.00 kJ/mol   
31
3rd Energy Level
3,395.00 kJ/mol   
17
3,232.00 kJ/mol   
22
4th Energy Level
5,300.00 kJ/mol   
15
4,950.00 kJ/mol   
19
5th Energy Level
7,339.00 kJ/mol   
15
7,670.00 kJ/mol   
12
6th Energy Level
10,400.00 kJ/mol   
9
9,840.00 kJ/mol   
12
7th Energy level
12,800.00 kJ/mol   
10
12,440.00 kJ/mol   
11
8th Energy Level
15,600.00 kJ/mol   
10
15,230.00 kJ/mol   
12
9th Energy Level
18,600.00 kJ/mol   
10
17,959.00 kJ/mol   
13
10th Energy Level
21,670.00 kJ/mol   
14
26,570.00 kJ/mol   
7
11th Energy Level
30,970.00 kJ/mol   
7
29,400.00 kJ/mol   
8
12th Energy Level
34,000.00 kJ/mol   
7
32,400.00 kJ/mol   
8
13th Energy Level
37,100.00 kJ/mol   
7
36,600.00 kJ/mol   
8
14th Energy Level
41,500.00 kJ/mol   
8
39,700.00 kJ/mol   
9
15th Energy Level
44,800.00 kJ/mol   
10
42,800.00 kJ/mol   
12
16th Energy Level
48,100.00 kJ/mol   
12
49,396.00 kJ/mol   
11
17th Energy Level
55,101.00 kJ/mol   
11
52,737.00 kJ/mol   
13
18th Energy Level
58,570.00 kJ/mol   
12
134,810.00 kJ/mol   
1
19th Energy Level
148,700.00 kJ/mol   
1
145,170.00 kJ/mol   
2
20th Energy Level
159,000.00 kJ/mol   
3
154,700.00 kJ/mol   
4
21st Energy Level
169,400.00 kJ/mol   
3
167,400.00 kJ/mol   
4
22nd Energy Level
182,700.00 kJ/mol   
2
178,100.00 kJ/mol   
3
23rd Energy Level
194,000.00 kJ/mol   
2
189,300.00 kJ/mol   
3
Electrochemical Equivalent
1.10 g/amp-hr   
99+
1.10 g/amp-hr   
99+
Electron Work Function
5.15 eV   
2
5.00 eV   
5
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes   
Chemical Stability, Ionization   
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