Capper

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Copper,  29Cu
Native copper (~4 cm in size)
General properties
Appearance reid-orange metallic luster
Staundart atomic wecht (Ar, staundart) 63.546(3)
Copper in the periodic cairt
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Airn Cobalt Nickel Capper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Siller (element) Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercur (element) Thallium Leid (element) Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Ununtrium Flerovium Ununpentium Livermorium Ununseptium Ununoctium
-

Cu

Ag
nickelcopperzinc
Atomic nummer (Z) 29
Group group 11
Period period 4
Element category   transition metal
Block d-block
Electron confeeguration [Ar] 3d10 4s1
Electrons per shell
2, 8, 18, 1
Pheesical properties
Phase (at STP) solit
Meltin pynt 1357.77 K ​(1084.62 °C, ​1984.32 °F)
Bylin 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 vapourisation 300.4 kJ/mol
Molar heat capacity 24.440 J/(mol·K)
Vapour pressur
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
Ionisation energies
Atomic radius empirical: 128 pm
Covalent radius 132±4 pm
Van der Waals radius 140 pm
Color lines in a spectral range
Miscellanea
Creestal structur face-centred cubic (fcc)
Face-centered cubic creestal structur 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
Bouk modulus 140 GPa
Poisson ratio 0.34
Mohs haurdness 3.0
Vickers haurdness 369 MPa
Brinell haurdness 35 HB = 874 MPa
CAS Nummer 7440-50-8
History
Diskivery Middle Eastrens (9000 BC)
Main isotopes o copper
Iso­tope Abun­dance Hauf-life (t1/2) Decay mode Pro­duct
63Cu 69.15% stable
64Cu syn 12.700 h ε - 64Ni
β - 64Zn
65Cu 30.85% stable
67Cu syn 61.83 h β 67Zn
| references | in Wikidata

Capper 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 vera heich 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.