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Chemical Properties of Manganese and Curium

Manganese
Curium
Chemical Properties of Curium and Manganese


Chemical Properties
Chemical Formula
Mn   
Cm   
Isotopes
  
  
Known Isotopes
21   
18
15   
24
Electronegativity
  
  
Pauling Electronegativity
1.55   
25
1.30   
32
Sanderson Electronegativity
2.20   
7
Not Available   
Allred Rochow Electronegativity
1.60   
9
1.20   
27
Allen Electronegativity
1.75   
15
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.45   
29
2.70   
22
Ionization Energies
  
  
1st Energy Level
717.30 kJ/mol   
30
581.00 kJ/mol   
99+
2nd Energy Level
1,509.00 kJ/mol   
39
1,196.00 kJ/mol   
99+
3rd Energy Level
3,248.00 kJ/mol   
21
2,026.00 kJ/mol   
99+
4th Energy Level
4,940.00 kJ/mol   
20
3,550.00 kJ/mol   
99+
5th Energy Level
6,990.00 kJ/mol   
17
Not Available   
6th Energy Level
9,220.00 kJ/mol   
16
Not Available   
7th Energy level
11,500.00 kJ/mol   
16
Not Available   
8th Energy Level
18,770.00 kJ/mol   
5
Not Available   
9th Energy Level
21,400.00 kJ/mol   
6
Not Available   
10th Energy Level
23,960.00 kJ/mol   
9
Not Available   
11th Energy Level
27,590.00 kJ/mol   
10
Not Available   
12th Energy Level
30,330.00 kJ/mol   
10
Not Available   
13th Energy Level
33,150.00 kJ/mol   
11
Not Available   
14th Energy Level
38,880.00 kJ/mol   
10
Not Available   
15th Energy Level
41,987.00 kJ/mol   
13
Not Available   
16th Energy Level
109,480.00 kJ/mol   
1
Not Available   
17th Energy Level
118,100.00 kJ/mol   
2
Not Available   
18th Energy Level
127,100.00 kJ/mol   
3
Not Available   
19th Energy Level
138,600.00 kJ/mol   
4
Not Available   
20th Energy Level
148,500.00 kJ/mol   
6
Not Available   
21st Energy Level
158,600.00 kJ/mol   
6
Not Available   
22nd Energy Level
172,500.00 kJ/mol   
5
Not Available   
23rd Energy Level
181,380.00 kJ/mol   
5
Not Available   
Electrochemical Equivalent
0.29 g/amp-hr   
99+
3.07 g/amp-hr   
16
Electron Work Function
4.10 eV   
25
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes   
Ionization, Radioactive Isotopes   
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