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Chemical Properties of Cobalt and Nickel

Cobalt
Nickel
Chemical Properties of Nickel and Cobalt


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