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Chemical Properties of Manganese and Iron

Manganese
Iron
Chemical Properties of Iron and Manganese


Chemical Properties
Chemical Formula
Mn   
Fe   
Isotopes
  
  
Known Isotopes
21   
18
26   
13
Electronegativity
  
  
Pauling Electronegativity
1.55   
25
1.83   
14
Sanderson Electronegativity
2.20   
7
2.20   
7
Allred Rochow Electronegativity
1.60   
9
1.64   
8
Allen Electronegativity
1.75   
15
1.80   
12
Electropositivity
  
  
Pauling Electropositivity
2.45   
29
2.17   
40
Ionization Energies
  
  
1st Energy Level
717.30 kJ/mol   
30
762.50 kJ/mol   
17
2nd Energy Level
1,509.00 kJ/mol   
39
1,561.90 kJ/mol   
36
3rd Energy Level
3,248.00 kJ/mol   
21
2,957.00 kJ/mol   
29
4th Energy Level
4,940.00 kJ/mol   
20
5,290.00 kJ/mol   
16
5th Energy Level
6,990.00 kJ/mol   
17
7,240.00 kJ/mol   
16
6th Energy Level
9,220.00 kJ/mol   
16
9,560.00 kJ/mol   
14
7th Energy level
11,500.00 kJ/mol   
16
12,060.00 kJ/mol   
15
8th Energy Level
18,770.00 kJ/mol   
5
14,580.00 kJ/mol   
14
9th Energy Level
21,400.00 kJ/mol   
6
22,540.00 kJ/mol   
5
10th Energy Level
23,960.00 kJ/mol   
9
25,290.00 kJ/mol   
8
11th Energy Level
27,590.00 kJ/mol   
10
28,000.00 kJ/mol   
9
12th Energy Level
30,330.00 kJ/mol   
10
31,920.00 kJ/mol   
9
13th Energy Level
33,150.00 kJ/mol   
11
34,830.00 kJ/mol   
9
14th Energy Level
38,880.00 kJ/mol   
10
37,840.00 kJ/mol   
11
15th Energy Level
41,987.00 kJ/mol   
13
44,100.00 kJ/mol   
11
16th Energy Level
109,480.00 kJ/mol   
1
47,206.00 kJ/mol   
13
17th Energy Level
118,100.00 kJ/mol   
2
122,200.00 kJ/mol   
1
18th Energy Level
127,100.00 kJ/mol   
3
131,000.00 kJ/mol   
2
19th Energy Level
138,600.00 kJ/mol   
4
140,500.00 kJ/mol   
3
20th Energy Level
148,500.00 kJ/mol   
6
152,600.00 kJ/mol   
5
21st Energy Level
158,600.00 kJ/mol   
6
163,000.00 kJ/mol   
5
22nd Energy Level
172,500.00 kJ/mol   
5
173,600.00 kJ/mol   
4
23rd Energy Level
181,380.00 kJ/mol   
5
188,100.00 kJ/mol   
4
24th Energy Level
Not Available   
195,200.00 kJ/mol   
1
Electrochemical Equivalent
0.29 g/amp-hr   
99+
0.69 g/amp-hr   
99+
Electron Work Function
4.10 eV   
25
4.70 eV   
10
Other Chemical Properties
Ionization, Radioactive Isotopes   
Corrosion, Ionization, Solubility   
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