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Chemical Properties of Iron and Manganese

Iron
Manganese
Chemical Properties of Manganese and Iron


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