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Chemical Properties of Chromium and Cobalt

Chromium
Cobalt
Chemical Properties of Cobalt and Chromium


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