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Chemical Properties of Copper and Iron

Copper
Iron
Chemical Properties of Iron and Copper


Chemical Properties
Chemical Formula
Cu   
Fe   
Isotopes
  
  
Known Isotopes
29   
10
26   
13
Electronegativity
  
  
Pauling Electronegativity
1.90   
11
1.83   
14
Sanderson Electronegativity
1.98   
9
2.20   
7
Allred Rochow Electronegativity
1.75   
3
1.64   
8
Mulliken-Jaffe Electronegativity
1.49   
14
Not Available   
Allen Electronegativity
1.85   
9
1.80   
12
Electropositivity
  
  
Pauling Electropositivity
2.10   
99+
2.17   
40
Ionization Energies
  
  
1st Energy Level
745.50 kJ/mol   
22
762.50 kJ/mol   
17
2nd Energy Level
1,957.90 kJ/mol   
15
1,561.90 kJ/mol   
36
3rd Energy Level
3,555.00 kJ/mol   
15
2,957.00 kJ/mol   
29
4th Energy Level
5,536.00 kJ/mol   
12
5,290.00 kJ/mol   
16
5th Energy Level
7,700.00 kJ/mol   
11
7,240.00 kJ/mol   
16
6th Energy Level
9,900.00 kJ/mol   
10
9,560.00 kJ/mol   
14
7th Energy level
13,400.00 kJ/mol   
7
12,060.00 kJ/mol   
15
8th Energy Level
16,000.00 kJ/mol   
9
14,580.00 kJ/mol   
14
9th Energy Level
19,200.00 kJ/mol   
9
22,540.00 kJ/mol   
5
10th Energy Level
22,400.00 kJ/mol   
11
25,290.00 kJ/mol   
8
11th Energy Level
25,600.00 kJ/mol   
13
28,000.00 kJ/mol   
9
12th Energy Level
35,600.00 kJ/mol   
6
31,920.00 kJ/mol   
9
13th Energy Level
38,700.00 kJ/mol   
6
34,830.00 kJ/mol   
9
14th Energy Level
42,000.00 kJ/mol   
7
37,840.00 kJ/mol   
11
15th Energy Level
46,700.00 kJ/mol   
9
44,100.00 kJ/mol   
11
16th Energy Level
50,200.00 kJ/mol   
10
47,206.00 kJ/mol   
13
17th Energy Level
53,700.00 kJ/mol   
12
122,200.00 kJ/mol   
1
18th Energy Level
61,100.00 kJ/mol   
10
131,000.00 kJ/mol   
2
19th Energy Level
64,702.00 kJ/mol   
11
140,500.00 kJ/mol   
3
20th Energy Level
163,700.00 kJ/mol   
2
152,600.00 kJ/mol   
5
21st Energy Level
174,100.00 kJ/mol   
2
163,000.00 kJ/mol   
5
22nd Energy Level
184,900.00 kJ/mol   
1
173,600.00 kJ/mol   
4
23rd Energy Level
198,800.00 kJ/mol   
1
188,100.00 kJ/mol   
4
24th Energy Level
Not Available   
195,200.00 kJ/mol   
1
Electrochemical Equivalent
1.19 g/amp-hr   
99+
0.69 g/amp-hr   
99+
Electron Work Function
4.65 eV   
11
4.70 eV   
10
Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Solubility   
Corrosion, Ionization, Solubility   
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