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Chemical Properties of Gold and Copper

Gold
Copper
Chemical Properties of Copper and Gold


Chemical Properties
Chemical Formula
Au   
Cu   
Isotopes
  
  
Known Isotopes
36   
3
29   
10
Electronegativity
  
  
Pauling Electronegativity
2.54   
1
1.90   
11
Sanderson Electronegativity
Not Available   
1.98   
9
Allred Rochow Electronegativity
1.42   
18
1.75   
3
Mulliken-Jaffe Electronegativity
1.87   
7
1.49   
14
Allen Electronegativity
1.92   
5
1.85   
9
Electropositivity
  
  
Pauling Electropositivity
1.46   
99+
2.10   
99+
Ionization Energies
  
  
1st Energy Level
890.10 kJ/mol   
8
745.50 kJ/mol   
22
2nd Energy Level
1,980.00 kJ/mol   
12
1,957.90 kJ/mol   
15
3rd Energy Level
Not Available   
3,555.00 kJ/mol   
15
4th Energy Level
Not Available   
5,536.00 kJ/mol   
12
5th Energy Level
Not Available   
7,700.00 kJ/mol   
11
6th Energy Level
Not Available   
9,900.00 kJ/mol   
10
7th Energy level
Not Available   
13,400.00 kJ/mol   
7
8th Energy Level
Not Available   
16,000.00 kJ/mol   
9
9th Energy Level
Not Available   
19,200.00 kJ/mol   
9
10th Energy Level
Not Available   
22,400.00 kJ/mol   
11
11th Energy Level
Not Available   
25,600.00 kJ/mol   
13
12th Energy Level
Not Available   
35,600.00 kJ/mol   
6
13th Energy Level
Not Available   
38,700.00 kJ/mol   
6
14th Energy Level
Not Available   
42,000.00 kJ/mol   
7
15th Energy Level
Not Available   
46,700.00 kJ/mol   
9
16th Energy Level
Not Available   
50,200.00 kJ/mol   
10
17th Energy Level
Not Available   
53,700.00 kJ/mol   
12
18th Energy Level
Not Available   
61,100.00 kJ/mol   
10
19th Energy Level
Not Available   
64,702.00 kJ/mol   
11
20th Energy Level
Not Available   
163,700.00 kJ/mol   
2
21st Energy Level
Not Available   
174,100.00 kJ/mol   
2
22nd Energy Level
Not Available   
184,900.00 kJ/mol   
1
23rd Energy Level
Not Available   
198,800.00 kJ/mol   
1
Electrochemical Equivalent
2.45 g/amp-hr   
21
1.19 g/amp-hr   
99+
Electron Work Function
5.10 eV   
4
4.65 eV   
11
Other Chemical Properties
Chemical Stability, Ionization, Solubility   
Chemical Stability, Corrosion, Ionization, Solubility   
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