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Chemical Properties of Iron and Chromium

Iron
Chromium
Chemical Properties of Chromium and Iron


Chemical Properties
Chemical Formula
Fe   
Cr   
Isotopes
  
  
Known Isotopes
26   
13
21   
18
Electronegativity
  
  
Pauling Electronegativity
1.83   
14
1.66   
18
Sanderson Electronegativity
2.20   
7
1.66   
14
Allred Rochow Electronegativity
1.64   
8
1.56   
10
Allen Electronegativity
1.80   
12
1.65   
19
Electropositivity
  
  
Pauling Electropositivity
2.17   
40
2.34   
36
Ionization Energies
  
  
1st Energy Level
762.50 kJ/mol   
17
26,130.00 kJ/mol   
1
2nd Energy Level
1,561.90 kJ/mol   
36
28,750.00 kJ/mol   
1
3rd Energy Level
2,957.00 kJ/mol   
29
34,230.00 kJ/mol   
1
4th Energy Level
5,290.00 kJ/mol   
16
37,066.00 kJ/mol   
1
5th Energy Level
7,240.00 kJ/mol   
16
97,510.00 kJ/mol   
1
6th Energy Level
9,560.00 kJ/mol   
14
105,800.00 kJ/mol   
1
7th Energy level
12,060.00 kJ/mol   
15
114,300.00 kJ/mol   
1
8th Energy Level
14,580.00 kJ/mol   
14
125,300.00 kJ/mol   
1
9th Energy Level
22,540.00 kJ/mol   
5
134,700.00 kJ/mol   
1
10th Energy Level
25,290.00 kJ/mol   
8
144,300.00 kJ/mol   
1
11th Energy Level
28,000.00 kJ/mol   
9
26,130.00 kJ/mol   
12
12th Energy Level
31,920.00 kJ/mol   
9
28,750.00 kJ/mol   
13
13th Energy Level
34,830.00 kJ/mol   
9
34,230.00 kJ/mol   
10
14th Energy Level
37,840.00 kJ/mol   
11
37,066.00 kJ/mol   
12
15th Energy Level
44,100.00 kJ/mol   
11
97,510.00 kJ/mol   
1
16th Energy Level
47,206.00 kJ/mol   
13
105,800.00 kJ/mol   
2
17th Energy Level
122,200.00 kJ/mol   
1
114,300.00 kJ/mol   
3
18th Energy Level
131,000.00 kJ/mol   
2
125,300.00 kJ/mol   
4
19th Energy Level
140,500.00 kJ/mol   
3
134,700.00 kJ/mol   
5
20th Energy Level
152,600.00 kJ/mol   
5
144,300.00 kJ/mol   
7
21st Energy Level
163,000.00 kJ/mol   
5
157,700.00 kJ/mol   
7
22nd Energy Level
173,600.00 kJ/mol   
4
166,090.00 kJ/mol   
6
23rd Energy Level
188,100.00 kJ/mol   
4
Not Available   
24th Energy Level
195,200.00 kJ/mol   
1
Not Available   
Electrochemical Equivalent
0.69 g/amp-hr   
99+
0.32 g/amp-hr   
99+
Electron Work Function
4.70 eV   
10
4.50 eV   
14
Other Chemical Properties
Corrosion, Ionization, Solubility   
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes, Solubility   
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