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Chemical Properties of Promethium and Cobalt


Chemical Properties of Cobalt and Promethium


Chemical Properties

Chemical Formula
Pm   
Co   

Isotopes
  
  

Known Isotopes
27   
12
26   
13

Electronegativity
  
  

Pauling Electronegativity
Not Available   
1.88   
12

Sanderson Electronegativity
Not Available   
2.56   
1

Allred Rochow Electronegativity
1.07   
32
1.70   
5

Allen Electronegativity
Not Available   
1.84   
10

Electropositivity
  
  

Pauling Electropositivity
Not Available   
2.12   
99+

Ionization Energies
  
  

1st Energy Level
540.00 kJ/mol   
99+
760.40 kJ/mol   
19

2nd Energy Level
1,050.00 kJ/mol   
99+
1,648.00 kJ/mol   
31

3rd Energy Level
2,150.00 kJ/mol   
99+
3,232.00 kJ/mol   
22

4th Energy Level
3,970.00 kJ/mol   
38
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
1.80 g/amp-hr   
36
1.10 g/amp-hr   
99+

Electron Work Function
Not Available   
5.00 eV   
5

Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Ionization   

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