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Chemical Properties of Actinium and Manganese


Chemical Properties of Manganese and Actinium


Chemical Properties

Chemical Formula
Ac   
Mn   

Isotopes
  
  

Known Isotopes
29   
10
21   
18

Electronegativity
  
  

Pauling Electronegativity
1.10   
99+
1.55   
25

Sanderson Electronegativity
Not Available   
2.20   
7

Allred Rochow Electronegativity
1.00   
36
1.60   
9

Allen Electronegativity
Not Available   
1.75   
15

Electropositivity
  
  

Pauling Electropositivity
2.90   
10
2.45   
29

Ionization Energies
  
  

1st Energy Level
499.00 kJ/mol   
99+
717.30 kJ/mol   
30

2nd Energy Level
1,170.00 kJ/mol   
99+
1,509.00 kJ/mol   
39

3rd Energy Level
1,900.00 kJ/mol   
99+
3,248.00 kJ/mol   
21

4th Energy Level
4,700.00 kJ/mol   
23
4,940.00 kJ/mol   
20

5th Energy Level
Not Available   
6,990.00 kJ/mol   
17

6th Energy Level
Not Available   
9,220.00 kJ/mol   
16

7th Energy level
Not Available   
11,500.00 kJ/mol   
16

8th Energy Level
Not Available   
18,770.00 kJ/mol   
5

9th Energy Level
Not Available   
21,400.00 kJ/mol   
6

10th Energy Level
Not Available   
23,960.00 kJ/mol   
9

11th Energy Level
Not Available   
27,590.00 kJ/mol   
10

12th Energy Level
Not Available   
30,330.00 kJ/mol   
10

13th Energy Level
Not Available   
33,150.00 kJ/mol   
11

14th Energy Level
Not Available   
38,880.00 kJ/mol   
10

15th Energy Level
Not Available   
41,987.00 kJ/mol   
13

16th Energy Level
Not Available   
109,480.00 kJ/mol   
1

17th Energy Level
Not Available   
118,100.00 kJ/mol   
2

18th Energy Level
Not Available   
127,100.00 kJ/mol   
3

19th Energy Level
Not Available   
138,600.00 kJ/mol   
4

20th Energy Level
Not Available   
148,500.00 kJ/mol   
6

21st Energy Level
Not Available   
158,600.00 kJ/mol   
6

22nd Energy Level
Not Available   
172,500.00 kJ/mol   
5

23rd Energy Level
Not Available   
181,380.00 kJ/mol   
5

Electrochemical Equivalent
2.82 g/amp-hr   
18
0.29 g/amp-hr   
99+

Electron Work Function
Not Available   
4.10 eV   
25

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

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