1 Chemical
1.1 Chemical Formula
Cu
1.2 Isotopes
1.2.1 Known Isotopes
1.3 Electronegativity
1.3.1 Pauling Electronegativity
1.90
Rank: 11 (Overall) ▶
0.7
2.54
1.3.2 Sanderson Electronegativity
1.3.3 Allred Rochow Electronegativity
1.3.4 Mulliken-Jaffe Electronegativity
1.49
Rank: 14 (Overall) ▶
0.62
2.48
1.3.5 Allen Electronegativity
1.4 Electropositivity
1.4.1 Pauling Electropositivity
2.10
Rank: 42 (Overall) ▶
1.46
3.3
1.5 Ionization Energies
1.5.1 1st Energy Level
745.50 kJ/mol
Rank: 22 (Overall) ▶
375.7
26130
1.5.2 2nd Energy Level
1,957.90 kJ/mol
Rank: 15 (Overall) ▶
710.2162
28750
1.5.3 3rd Energy Level
3,555.00 kJ/mol
Rank: 15 (Overall) ▶
1600
34230
1.5.4 4th Energy Level
5,536.00 kJ/mol
Rank: 12 (Overall) ▶
2780
37066
1.5.5 5th Energy Level
7,700.00 kJ/mol
Rank: 11 (Overall) ▶
4305.2
97510
1.5.6 6th Energy Level
9,900.00 kJ/mol
Rank: 10 (Overall) ▶
5715.8
105800
1.5.7 7th Energy level
13,400.00 kJ/mol
Rank: 7 (Overall) ▶
7226.8
114300
1.5.8 8th Energy Level
16,000.00 kJ/mol
Rank: 9 (Overall) ▶
8857.4
125300
1.5.9 9th Energy Level
19,200.00 kJ/mol
Rank: 9 (Overall) ▶
14110
134700
1.5.10 10th Energy Level
22,400.00 kJ/mol
Rank: 11 (Overall) ▶
17100
144300
1.5.11 11th Energy Level
25,600.00 kJ/mol
Rank: 13 (Overall) ▶
19900
169988
1.5.12 12th Energy Level
35,600.00 kJ/mol
Rank: 6 (Overall) ▶
22219
189368
1.5.13 13th Energy Level
38,700.00 kJ/mol
Rank: 6 (Overall) ▶
26930
76015
1.5.14 14th Energy Level
42,000.00 kJ/mol
Rank: 7 (Overall) ▶
29196
86450
1.5.15 15th Energy Level
46,700.00 kJ/mol
Rank: 9 (Overall) ▶
41987
97510
1.5.16 16th Energy Level
50,200.00 kJ/mol
Rank: 10 (Overall) ▶
47206
109480
1.5.17 17th Energy Level
53,700.00 kJ/mol
Rank: 12 (Overall) ▶
52737
122200
1.5.18 18th Energy Level
61,100.00 kJ/mol
Rank: 10 (Overall) ▶
58570
134810
1.5.19 19th Energy Level
64,702.00 kJ/mol
Rank: 11 (Overall) ▶
64702
148700
1.5.20 20th Energy Level
163,700.00 kJ/mol
Rank: 2 (Overall) ▶
80400
171200
1.5.21 21st Energy Level
174,100.00 kJ/mol
Rank: 2 (Overall) ▶
87000
179100
1.5.22 22nd Energy Level
184,900.00 kJ/mol
Rank: 1 (Overall) ▶
93400
184900
1.5.23 23rd Energy Level
198,800.00 kJ/mol
Rank: 1 (Overall) ▶
98420
198800
1.5.24 24th Energy Level
Not Available
Rank: 100 (Overall) ▶
104400
195200
1.5.25 25th Energy Level
Not Available
Rank: 100 (Overall) ▶
121900
121900
1.5.26 26th Energy Level
Not Available
Rank: 100 (Overall) ▶
127700
127700
1.5.27 27th Energy Level
Not Available
Rank: 100 (Overall) ▶
133800
133800
1.5.28 28th Energy Level
Not Available
Rank: 100 (Overall) ▶
139800
139800
1.5.29 29th Energy Level
Not Available
Rank: 100 (Overall) ▶
148100
148100
1.5.30 30th Energy Level
Not Available
Rank: N/A (Overall) ▶
154500
154500
1.6 Electrochemical Equivalent
1.19 g/amp-hr
Rank: 53 (Overall) ▶
0.16812
8.3209
1.7 Electron Work Function
4.65 eV
Rank: 11 (Overall) ▶
2.14
5.65
1.8 Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Solubility