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Copper,  29Cu
Native copper (~4 cm in size)
General properties
Name, seembol copper, Cu
Pronunciation /ˈkɒpər/ KOP-ər
Appearance reid-orange metallic luster
Copper in the periodic cairt
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline yird metal)
Boron (metalloid)
Carbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oxygen (diatomic nonmetal)
Fluorine (diatomic nonmetal)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline yird metal)
Aluminium (post-transeetion metal)
Silicon (metalloid)
Phosphorus (polyatomic nonmetal)
Sulfur (polyatomic nonmetal)
Chlorine (diatomic nonmetal)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline yird metal)
Scandium (transeetion metal)
Titanium (transeetion metal)
Vanadium (transeetion metal)
Chromium (transeetion metal)
Manganese (transeetion metal)
Iron (transeetion metal)
Cobalt (transeetion metal)
Nickel (transeetion metal)
Copper (transeetion metal)
Zinc (transeetion metal)
Gallium (post-transeetion metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (polyatomic nonmetal)
Bromine (diatomic nonmetal)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline yird metal)
Yttrium (transeetion metal)
Zirconium (transeetion metal)
Niobium (transeetion metal)
Molybdenum (transeetion metal)
Technetium (transeetion metal)
Ruthenium (transeetion metal)
Rhodium (transeetion metal)
Palladium (transeetion metal)
Silver (transeetion metal)
Cadmium (transeetion metal)
Indium (post-transeetion metal)
Tin (post-transeetion metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (diatomic nonmetal)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline yird metal)
Lanthanum (lanthanide)
Cerium (lanthanide)
Praseodymium (lanthanide)
Neodymium (lanthanide)
Promethium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Dysprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Thulium (lanthanide)
Ytterbium (lanthanide)
Lutetium (lanthanide)
Hafnium (transeetion metal)
Tantalum (transeetion metal)
Tungsten (transeetion metal)
Rhenium (transeetion metal)
Osmium (transeetion metal)
Iridium (transeetion metal)
Platinum (transeetion metal)
Gold (transeetion metal)
Mercury (transeetion metal)
Thallium (post-transeetion metal)
Lead (post-transeetion metal)
Bismuth (post-transeetion metal)
Polonium (post-transeetion metal)
Astatine (metalloid)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline yird metal)
Actinium (actinide)
Thorium (actinide)
Protactinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Americium (actinide)
Curium (actinide)
Berkelium (actinide)
Californium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrencium (actinide)
Rutherfordium (transeetion metal)
Dubnium (transeetion metal)
Seaborgium (transeetion metal)
Bohrium (transeetion metal)
Hassium (transeetion metal)
Meitnerium (unkent chemical properties)
Darmstadtium (unkent chemical properties)
Roentgenium (unkent chemical properties)
Copernicium (transeetion metal)
Ununtrium (unkent chemical properties)
Flerovium (post-transeetion metal)
Ununpentium (unkent chemical properties)
Livermorium (unkent chemical properties)
Ununseptium (unkent chemical properties)
Ununoctium (unkent chemical properties)


Atomic nummer 29
Staundart atomic wicht (±) (Ar) 63.546(3)
Element category   transeetion metal
Group, block group 11, d-block
Period period 4
Electron configuration [Ar] 3d10 4s1
per shell
2, 8, 18, 1
Pheesical properties
Phase solid
Meltin pynt 1357.77 K ​(1084.62 °C, ​1984.32 °F)
Boilin pynt 2835 K ​(2562 °C, ​4643 °F)
Density near r.t. 8.96 g/cm3
when liquid, at m.p. 8.02 g/cm3
Heat o fusion 13.26 kJ/mol
Heat o 300.4 kJ/mol
Molar heat capacity 24.440 J/(mol·K)
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1509 1661 1850 2089 2404 2834
Atomic properties
Oxidation states +1, +2, +3, +4 ​mildly basic oxide
Electronegativity Pauling scale: 1.90
Atomic radius empirical: 128 pm
Covalent radius 132±4 pm
Van der Waals radius 140 pm
Crystal structur face-centered cubic (fcc)
Face-centered cubic crystal structure for copper
Speed o soond thin rod (annealed)
3810 m/s (at r.t.)
Thermal expansion 16.5 µm/(m·K) (at 25 °C)
Thermal conductivity 401 W/(m·K)
Electrical resistivity 16.78 n Ω·m (at 20 °C)
Magnetic orderin diamagnetic[1]
Young's modulus 110–128 GPa
Shear modulus 48 GPa
Bulk modulus 140 GPa
Poisson ratio 0.34
Mohs haurdness 3.0
Vickers haurdness 369 MPa
Brinell haurdness 35 HB = 874 MPa
CAS Registry Nummer 7440-50-8
Discovery Middle Eastrens (9000 BC)
Maist stable isotopes
Main article: Isotopes o copper
iso NA hauf-life DM DE (MeV) DP
63Cu 69.15% 63Cu is stable wi 34 neutrons
64Cu syn 12.700 h ε - 64Ni
β - 64Zn
65Cu 30.85% 65Cu is stable wi 36 neutrons
67Cu syn 61.83 h β - 67Zn
· references

Copper is a chemical element in the periodic cairt that haes the seembol Cu (L.: Cuprum) an atomic nummer 29. It is a ductile metal wi very hicht thermal an electrical conductivity.

References[eedit | eedit soorce]

  1. Magnetic susceptibility of the elements and inorganic compounds in Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.