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Chemical Properties of Cobalt and Chromium

Cobalt
Chromium
Chemical Properties of Chromium and Cobalt


Chemical Properties
Chemical Formula
Co   
Cr   
Isotopes
  
  
Known Isotopes
26   
13
21   
18
Electronegativity
  
  
Pauling Electronegativity
1.88   
12
1.66   
18
Sanderson Electronegativity
2.56   
1
1.66   
14
Allred Rochow Electronegativity
1.70   
5
1.56   
10
Allen Electronegativity
1.84   
10
1.65   
19
Electropositivity
  
  
Pauling Electropositivity
2.12   
99+
2.34   
36
Ionization Energies
  
  
1st Energy Level
760.40 kJ/mol   
19
26,130.00 kJ/mol   
1
2nd Energy Level
1,648.00 kJ/mol   
31
28,750.00 kJ/mol   
1
3rd Energy Level
3,232.00 kJ/mol   
22
34,230.00 kJ/mol   
1
4th Energy Level
4,950.00 kJ/mol   
19
37,066.00 kJ/mol   
1
5th Energy Level
7,670.00 kJ/mol   
12
97,510.00 kJ/mol   
1
6th Energy Level
9,840.00 kJ/mol   
12
105,800.00 kJ/mol   
1
7th Energy level
12,440.00 kJ/mol   
11
114,300.00 kJ/mol   
1
8th Energy Level
15,230.00 kJ/mol   
12
125,300.00 kJ/mol   
1
9th Energy Level
17,959.00 kJ/mol   
13
134,700.00 kJ/mol   
1
10th Energy Level
26,570.00 kJ/mol   
7
144,300.00 kJ/mol   
1
11th Energy Level
29,400.00 kJ/mol   
8
26,130.00 kJ/mol   
12
12th Energy Level
32,400.00 kJ/mol   
8
28,750.00 kJ/mol   
13
13th Energy Level
36,600.00 kJ/mol   
8
34,230.00 kJ/mol   
10
14th Energy Level
39,700.00 kJ/mol   
9
37,066.00 kJ/mol   
12
15th Energy Level
42,800.00 kJ/mol   
12
97,510.00 kJ/mol   
1
16th Energy Level
49,396.00 kJ/mol   
11
105,800.00 kJ/mol   
2
17th Energy Level
52,737.00 kJ/mol   
13
114,300.00 kJ/mol   
3
18th Energy Level
134,810.00 kJ/mol   
1
125,300.00 kJ/mol   
4
19th Energy Level
145,170.00 kJ/mol   
2
134,700.00 kJ/mol   
5
20th Energy Level
154,700.00 kJ/mol   
4
144,300.00 kJ/mol   
7
21st Energy Level
167,400.00 kJ/mol   
4
157,700.00 kJ/mol   
7
22nd Energy Level
178,100.00 kJ/mol   
3
166,090.00 kJ/mol   
6
23rd Energy Level
189,300.00 kJ/mol   
3
Not Available   
Electrochemical Equivalent
1.10 g/amp-hr   
99+
0.32 g/amp-hr   
99+
Electron Work Function
5.00 eV   
5
4.50 eV   
14
Other Chemical Properties
Chemical Stability, Ionization   
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes, Solubility   
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