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Chemical Properties of Chromium and 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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