Chemical Properties of Iron and Iron
Chemical Formula
Fe
  
Fe
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Sanderson Electronegativity
Allred Rochow Electronegativity
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
762.50 kJ/mol
  
17
762.50 kJ/mol
  
17
2nd Energy Level
1,561.90 kJ/mol
  
36
1,561.90 kJ/mol
  
36
3rd Energy Level
2,957.00 kJ/mol
  
29
2,957.00 kJ/mol
  
29
4th Energy Level
5,290.00 kJ/mol
  
16
5,290.00 kJ/mol
  
16
5th Energy Level
7,240.00 kJ/mol
  
16
7,240.00 kJ/mol
  
16
6th Energy Level
9,560.00 kJ/mol
  
14
9,560.00 kJ/mol
  
14
7th Energy level
12,060.00 kJ/mol
  
15
12,060.00 kJ/mol
  
15
8th Energy Level
14,580.00 kJ/mol
  
14
14,580.00 kJ/mol
  
14
9th Energy Level
22,540.00 kJ/mol
  
5
22,540.00 kJ/mol
  
5
10th Energy Level
25,290.00 kJ/mol
  
8
25,290.00 kJ/mol
  
8
11th Energy Level
28,000.00 kJ/mol
  
9
28,000.00 kJ/mol
  
9
12th Energy Level
31,920.00 kJ/mol
  
9
31,920.00 kJ/mol
  
9
13th Energy Level
34,830.00 kJ/mol
  
9
34,830.00 kJ/mol
  
9
14th Energy Level
37,840.00 kJ/mol
  
11
37,840.00 kJ/mol
  
11
15th Energy Level
44,100.00 kJ/mol
  
11
44,100.00 kJ/mol
  
11
16th Energy Level
47,206.00 kJ/mol
  
13
47,206.00 kJ/mol
  
13
17th Energy Level
122,200.00 kJ/mol
  
1
122,200.00 kJ/mol
  
1
18th Energy Level
131,000.00 kJ/mol
  
2
131,000.00 kJ/mol
  
2
19th Energy Level
140,500.00 kJ/mol
  
3
140,500.00 kJ/mol
  
3
20th Energy Level
152,600.00 kJ/mol
  
5
152,600.00 kJ/mol
  
5
21st Energy Level
163,000.00 kJ/mol
  
5
163,000.00 kJ/mol
  
5
22nd Energy Level
173,600.00 kJ/mol
  
4
173,600.00 kJ/mol
  
4
23rd Energy Level
188,100.00 kJ/mol
  
4
188,100.00 kJ/mol
  
4
24th Energy Level
195,200.00 kJ/mol
  
1
195,200.00 kJ/mol
  
1
Electrochemical Equivalent
0.69 g/amp-hr
  
99+
0.69 g/amp-hr
  
99+
Other Chemical Properties
Corrosion, Ionization, Solubility
  
Corrosion, Ionization, Solubility