Chemical Properties of Iron and Iron
Chemical Properties
Chemical Formula
Fe
Fe
Isotopes
Known Isotopes
26
13
26
13
Electronegativity
Pauling Electronegativity
1.83
14
1.83
14
Sanderson Electronegativity
2.20
7
2.20
7
Allred Rochow Electronegativity
1.64
8
1.64
8
Allen Electronegativity
1.80
12
1.80
12
Electropositivity
Pauling Electropositivity
2.17
40
2.17
40
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+
Electron Work Function
4.70 eV
10
4.70 eV
10
Other Chemical Properties
Corrosion, Ionization, Solubility
Corrosion, Ionization, Solubility
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