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Chemical Properties of Copper and Chromium

Copper
Chromium
Chemical Properties of Chromium and Copper


Chemical Properties
Chemical Formula
Cu   
Cr   
Isotopes
  
  
Known Isotopes
29   
10
21   
18
Electronegativity
  
  
Pauling Electronegativity
1.90   
11
1.66   
18
Sanderson Electronegativity
1.98   
9
1.66   
14
Allred Rochow Electronegativity
1.75   
3
1.56   
10
Mulliken-Jaffe Electronegativity
1.49   
14
Not Available   
Allen Electronegativity
1.85   
9
1.65   
19
Electropositivity
  
  
Pauling Electropositivity
2.10   
99+
2.34   
36
Ionization Energies
  
  
1st Energy Level
745.50 kJ/mol   
22
26,130.00 kJ/mol   
1
2nd Energy Level
1,957.90 kJ/mol   
15
28,750.00 kJ/mol   
1
3rd Energy Level
3,555.00 kJ/mol   
15
34,230.00 kJ/mol   
1
4th Energy Level
5,536.00 kJ/mol   
12
37,066.00 kJ/mol   
1
5th Energy Level
7,700.00 kJ/mol   
11
97,510.00 kJ/mol   
1
6th Energy Level
9,900.00 kJ/mol   
10
105,800.00 kJ/mol   
1
7th Energy level
13,400.00 kJ/mol   
7
114,300.00 kJ/mol   
1
8th Energy Level
16,000.00 kJ/mol   
9
125,300.00 kJ/mol   
1
9th Energy Level
19,200.00 kJ/mol   
9
134,700.00 kJ/mol   
1
10th Energy Level
22,400.00 kJ/mol   
11
144,300.00 kJ/mol   
1
11th Energy Level
25,600.00 kJ/mol   
13
26,130.00 kJ/mol   
12
12th Energy Level
35,600.00 kJ/mol   
6
28,750.00 kJ/mol   
13
13th Energy Level
38,700.00 kJ/mol   
6
34,230.00 kJ/mol   
10
14th Energy Level
42,000.00 kJ/mol   
7
37,066.00 kJ/mol   
12
15th Energy Level
46,700.00 kJ/mol   
9
97,510.00 kJ/mol   
1
16th Energy Level
50,200.00 kJ/mol   
10
105,800.00 kJ/mol   
2
17th Energy Level
53,700.00 kJ/mol   
12
114,300.00 kJ/mol   
3
18th Energy Level
61,100.00 kJ/mol   
10
125,300.00 kJ/mol   
4
19th Energy Level
64,702.00 kJ/mol   
11
134,700.00 kJ/mol   
5
20th Energy Level
163,700.00 kJ/mol   
2
144,300.00 kJ/mol   
7
21st Energy Level
174,100.00 kJ/mol   
2
157,700.00 kJ/mol   
7
22nd Energy Level
184,900.00 kJ/mol   
1
166,090.00 kJ/mol   
6
23rd Energy Level
198,800.00 kJ/mol   
1
Not Available   
Electrochemical Equivalent
1.19 g/amp-hr   
99+
0.32 g/amp-hr   
99+
Electron Work Function
4.65 eV   
11
4.50 eV   
14
Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Solubility   
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes, Solubility   
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