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Chemical Properties of Actinium and Cobalt

Actinium
Cobalt
Chemical Properties of Cobalt and Actinium


Chemical Properties
Chemical Formula
Ac   
Co   
Isotopes
  
  
Known Isotopes
29   
10
26   
13
Electronegativity
  
  
Pauling Electronegativity
1.10   
99+
1.88   
12
Sanderson Electronegativity
Not Available   
2.56   
1
Allred Rochow Electronegativity
1.00   
36
1.70   
5
Allen Electronegativity
Not Available   
1.84   
10
Electropositivity
  
  
Pauling Electropositivity
2.90   
10
2.12   
99+
Ionization Energies
  
  
1st Energy Level
499.00 kJ/mol   
99+
760.40 kJ/mol   
19
2nd Energy Level
1,170.00 kJ/mol   
99+
1,648.00 kJ/mol   
31
3rd Energy Level
1,900.00 kJ/mol   
99+
3,232.00 kJ/mol   
22
4th Energy Level
4,700.00 kJ/mol   
23
4,950.00 kJ/mol   
19
5th Energy Level
Not Available   
7,670.00 kJ/mol   
12
6th Energy Level
Not Available   
9,840.00 kJ/mol   
12
7th Energy level
Not Available   
12,440.00 kJ/mol   
11
8th Energy Level
Not Available   
15,230.00 kJ/mol   
12
9th Energy Level
Not Available   
17,959.00 kJ/mol   
13
10th Energy Level
Not Available   
26,570.00 kJ/mol   
7
11th Energy Level
Not Available   
29,400.00 kJ/mol   
8
12th Energy Level
Not Available   
32,400.00 kJ/mol   
8
13th Energy Level
Not Available   
36,600.00 kJ/mol   
8
14th Energy Level
Not Available   
39,700.00 kJ/mol   
9
15th Energy Level
Not Available   
42,800.00 kJ/mol   
12
16th Energy Level
Not Available   
49,396.00 kJ/mol   
11
17th Energy Level
Not Available   
52,737.00 kJ/mol   
13
18th Energy Level
Not Available   
134,810.00 kJ/mol   
1
19th Energy Level
Not Available   
145,170.00 kJ/mol   
2
20th Energy Level
Not Available   
154,700.00 kJ/mol   
4
21st Energy Level
Not Available   
167,400.00 kJ/mol   
4
22nd Energy Level
Not Available   
178,100.00 kJ/mol   
3
23rd Energy Level
Not Available   
189,300.00 kJ/mol   
3
Electrochemical Equivalent
2.82 g/amp-hr   
18
1.10 g/amp-hr   
99+
Electron Work Function
Not Available   
5.00 eV   
5
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Chemical Stability, Ionization   
Atomic >>
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