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Chemical Properties of Chromium and Iron

Chromium
Iron
Chemical Properties of Iron and Chromium


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