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Chemical Properties of Copper and Cobalt

Copper
Cobalt
Chemical Properties of Cobalt and Copper


Chemical Properties
Chemical Formula
Cu   
Co   
Isotopes
  
  
Known Isotopes
29   
10
26   
13
Electronegativity
  
  
Pauling Electronegativity
1.90   
11
1.88   
12
Sanderson Electronegativity
1.98   
9
2.56   
1
Allred Rochow Electronegativity
1.75   
3
1.70   
5
Mulliken-Jaffe Electronegativity
1.49   
14
Not Available   
Allen Electronegativity
1.85   
9
1.84   
10
Electropositivity
  
  
Pauling Electropositivity
2.10   
99+
2.12   
99+
Ionization Energies
  
  
1st Energy Level
745.50 kJ/mol   
22
760.40 kJ/mol   
19
2nd Energy Level
1,957.90 kJ/mol   
15
1,648.00 kJ/mol   
31
3rd Energy Level
3,555.00 kJ/mol   
15
3,232.00 kJ/mol   
22
4th Energy Level
5,536.00 kJ/mol   
12
4,950.00 kJ/mol   
19
5th Energy Level
7,700.00 kJ/mol   
11
7,670.00 kJ/mol   
12
6th Energy Level
9,900.00 kJ/mol   
10
9,840.00 kJ/mol   
12
7th Energy level
13,400.00 kJ/mol   
7
12,440.00 kJ/mol   
11
8th Energy Level
16,000.00 kJ/mol   
9
15,230.00 kJ/mol   
12
9th Energy Level
19,200.00 kJ/mol   
9
17,959.00 kJ/mol   
13
10th Energy Level
22,400.00 kJ/mol   
11
26,570.00 kJ/mol   
7
11th Energy Level
25,600.00 kJ/mol   
13
29,400.00 kJ/mol   
8
12th Energy Level
35,600.00 kJ/mol   
6
32,400.00 kJ/mol   
8
13th Energy Level
38,700.00 kJ/mol   
6
36,600.00 kJ/mol   
8
14th Energy Level
42,000.00 kJ/mol   
7
39,700.00 kJ/mol   
9
15th Energy Level
46,700.00 kJ/mol   
9
42,800.00 kJ/mol   
12
16th Energy Level
50,200.00 kJ/mol   
10
49,396.00 kJ/mol   
11
17th Energy Level
53,700.00 kJ/mol   
12
52,737.00 kJ/mol   
13
18th Energy Level
61,100.00 kJ/mol   
10
134,810.00 kJ/mol   
1
19th Energy Level
64,702.00 kJ/mol   
11
145,170.00 kJ/mol   
2
20th Energy Level
163,700.00 kJ/mol   
2
154,700.00 kJ/mol   
4
21st Energy Level
174,100.00 kJ/mol   
2
167,400.00 kJ/mol   
4
22nd Energy Level
184,900.00 kJ/mol   
1
178,100.00 kJ/mol   
3
23rd Energy Level
198,800.00 kJ/mol   
1
189,300.00 kJ/mol   
3
Electrochemical Equivalent
1.19 g/amp-hr   
99+
1.10 g/amp-hr   
99+
Electron Work Function
4.65 eV   
11
5.00 eV   
5
Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Solubility   
Chemical Stability, Ionization   
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