
Copper (Cu) is a chemical element of the periodic table, located in the group 11 and the period 4, and is having the atomic number 29. It is a soft, ductile and malleable, reddish-orange transition metal, which is named after Cyprus, principal mining place in the Roman era.
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– d block |
FAQs on Copper Element
Copper |
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‣ What does copper look like? Appearance: red-orange metallic luster |
‣ When was copper discovered and by whom? Discovery: Middle East (9000 BC) |
‣ Where is copper located on the periodic table?![]() Location: Copper is found in the eleventh column of the periodic table, next to the nickel element. |
‣ What is the atomic number of copper? Atomic number (Z): 29 |
‣ What is the chemical symbol for copper? Symbol: Cu |
‣ What is the atomic weight of copper? Standard atomic weight: 63.546 |
‣ What block is copper in the periodic table? Block: d-block |
‣ What group does copper belong to on the periodic table? Group: 11 |
‣ What period is copper in on the periodic table? Period: 4 |
‣ What is the atomic radius of copper? Atomic radius: empirical: 128 pm |
‣ Copper covalent radius: 132±4 pm |
‣ Copper Van der Waals radius: 140 pm |
‣ What is copper’s melting point? Melting point: 1357.77 K (1084.62 °C, 1984.32 °F) |
‣ What is copper’s boiling point? Boiling point: 2835 K (2562 °C, 4643 °F) |
‣ How many electron shells does copper have? Electrons per shell: 2, 8, 18, 1 |
‣ What is copper electron configuration? Electron configuration: [Ar] 3d10 4s1 |
‣ What is the ionization energy of copper? Ionization energies: 1st: 745.5 kJ/mol 2nd: 19597.9 kJ/mol 3rd: 3555 kJ/mol |
‣ What phase is copper normally found in? Phase (at r.t): solid |
‣ What is copper’s density? Density (near r.t): 8.96 g/cm3 when liquid (at m.p): 8.02 g/cm3 |
‣ Copper magnetic ordering: diamagnetic |
‣ Copper natural occurrence: primordial |
‣ What is the oxidation state of copper? Oxidation state: -2, 0, +1, +2, +3, +4 |
‣ What is the electronegativity of copper? Electronegativity: Pauling scale: 1.90 |
‣ Copper poisson’s ratio: 0.34 |
‣ Copper heat of fusion: 13.26 kJ/mol |
‣ Copper heat of vaporization: 300.4 kJ/mol |
‣ Copper molar heat capacity: 24.440 J/(mol K) |
‣ Copper molar magnetic susceptibility: -5.46 × 10-6 cm3/mol |
‣ Speed of sound in copper: (annealed) 3810 m/s (at r.t) |
‣ What is copper crystal structure? Crystal structure: face-centered cubic (fcc) |
‣ Thermal expansion of copper: 16.5 µm/(m.K) (at 25 °C) |
‣ Thermal conductivity of copper: 401 W/(m.K) |
‣ Copper electrical resistivity: 16.78 nΩ.m (at 20 °C) |
‣ What is copper hardness? Mohs hardness: 3.0 Vickers hardness: 343-369 MPa Brinell hardness: 235-878 MPa |
‣ Young’s modulus of copper: 110-128 GPa |
‣ Shear modulus of copper: 48 GPa |
‣ Bulk modulus of copper: 140 GPa |
‣ Copper CAS number: 7440-50-8 |
‣ Copper vapor pressure
Vapor pressure | ||||||
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P (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k |
at T (K) | 1509 | 1661 | 1850 | 2089 | 2404 | 2834 |
‣ How many isotopes does copper have?
Main isotopes of copper | ||||
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Isotope | Abundance | Half-life (t1/2) | Decay mode | Product |
63Cu | 69.15 % | stable | ||
64Cu | syn | 12.70 h | ε β– | 64Ni 64Zn |
65Cu | 30.85 % | stable | ||
67Cu | syn | 61.83 h | β– | 67Zn |
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