Copper | AMERICAN ELEMENTS®

<!DOCTYPE html> <html lang="en" dir="ltr"> <head> <meta charset="utf-8" /> <meta name="description" content="29 Cu 63.546000000 Copper See more Copper products. Copper (atomic symbol: Cu, atomic number: 29) is a Block D, Group 11, Period 4 element with an atomic weight of 63.546. The number of electrons in each of copper's shells is 2, 8, 18, 1 and its electron configuration is [Ar]3d10 4s1. The copper atom has a radius of 128 pm and a Van der Waals radius of 186 pm. Copper was first discovered by Early Man prior to 9000 BC. In its elemental form, copper has a reddish-orange metallic and lustrous appearance. Of all pure metals, only silver has a higher electrical conductivity. 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class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/be.html" class="tbm-link level-3"> Beryllium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/bi.html" class="tbm-link level-3"> Bismuth <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/bb.html" class="tbm-link level-3"> Boron <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/bromine.html" class="tbm-link level-3"> Bromine <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/cd.html" class="tbm-link level-3"> Cadmium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/ca.html" class="tbm-link level-3"> Calcium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/cc.html" class="tbm-link level-3"> Carbon <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/ce.html" class="tbm-link level-3"> Cerium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/cs.html" class="tbm-link level-3"> Cesium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/chlorine.html" class="tbm-link level-3"> Chlorine <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/cr.html" class="tbm-link level-3"> Chromium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/co.html" class="tbm-link level-3"> Cobalt <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/cu.html" class="tbm-link level-3"> Copper <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/dy.html" class="tbm-link level-3"> Dysprosium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/er.html" class="tbm-link level-3"> Erbium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/eu.html" class="tbm-link level-3"> Europium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/fluorine.html" class="tbm-link level-3"> Fluorine <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/gd.html" class="tbm-link level-3"> Gadolinium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/ga.html" class="tbm-link level-3"> Gallium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/ge.html" class="tbm-link level-3"> Germanium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/au.htm" class="tbm-link level-3"> Gold <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/hf.html" class="tbm-link level-3"> Hafnium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/ho.html" class="tbm-link level-3"> Holmium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/in.html" class="tbm-link level-3"> Indium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/ii.htm" class="tbm-link level-3"> Iodine <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/ir.html" class="tbm-link level-3"> Iridium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/fe.html" class="tbm-link level-3"> Iron <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/la.html" class="tbm-link level-3"> Lanthanum <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/pb.html" class="tbm-link level-3"> Lead <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/li.html" class="tbm-link level-3"> Lithium <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3 menu-item-bold" aria-level="3" > <div class="tbm-link-container"> <a href="/products-by-element" class="tbm-link level-3"> More… <span class="tbm-caption">Array</span> </a> </div> </li> </ul> </div> </div> </div> </div> </li> <li class="tbm-item level-2 tbm-group" aria-level="2" > <div class="tbm-link-container"> <span class="tbm-link level-2 no-link tbm-group-title" tabindex="0" aria-expanded="false"> Products by Form <span class="tbm-caption">Array</span> </span> </div> <div class="tbm-group-container tbm-item-child" role="list"> <div class="tbm-row"> <div class="tbm-column span12"> <div class="tbm-column-inner"> <ul class="tbm-subnav level-2 items-18" role="list"> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/2d-materials" class="tbm-link level-3"> 2D Materials <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/alloys.html" class="tbm-link level-3"> Alloys <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/alloys.html" class="tbm-link level-3"> Alloy Forms <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/ceramic-fibers" class="tbm-link level-3"> Ceramic Fibers <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/ceramics.html" class="tbm-link level-3"> Ceramics <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/chemicals.html" class="tbm-link level-3"> Chemicals & Salts <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/foams.html" class="tbm-link level-3"> Foams <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/Ultra_high_purity_metals_powders.htm" class="tbm-link level-3"> High Purity Materials <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/isotopes.html" class="tbm-link level-3"> Isotopes <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/metals.html" class="tbm-link level-3"> Metal Forms <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/mxenes" class="tbm-link level-3"> Mxenes <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/nanomaterials-nanoparticles-nanotechnology.html" class="tbm-link level-3"> Nanomaterials <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/organometallics.html" class="tbm-link level-3"> Organometallics <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/oxides.html" class="tbm-link level-3"> Oxides <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/metals.html" class="tbm-link level-3"> Pure Metals <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/rare-earths.html" class="tbm-link level-3"> Rare Earths <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/semiconductors.html" class="tbm-link level-3"> Semiconductors <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/solutions" class="tbm-link level-3"> Solutions <span class="tbm-caption">Array</span> </a> </div> </li> </ul> </div> </div> </div> </div> </li> <li class="tbm-item level-2 tbm-group" aria-level="2" > <div class="tbm-link-container"> <span class="tbm-link level-2 no-link tbm-group-title" tabindex="0" aria-expanded="false"> Products by Application <span class="tbm-caption">Array</span> </span> </div> <div class="tbm-group-container tbm-item-child" role="list"> <div class="tbm-row"> <div class="tbm-column span12"> <div class="tbm-column-inner"> <ul class="tbm-subnav level-2 items-30" role="list"> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/additive-manufacturing-3d-printing" class="tbm-link level-3"> 3D Printing <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/additive-manufacturing-3d-printing" class="tbm-link level-3"> Additive Manufacturing <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/green-technology-alternative-energy.html" class="tbm-link level-3"> Alternative Energy <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/Battery-Technology.html" class="tbm-link level-3"> Battery Materials <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/Bio-Medical.html" class="tbm-link level-3"> Biomaterials <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/catalysts" class="tbm-link level-3"> Catalysts <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/dental-materials.html" class="tbm-link level-3"> Dental Materials <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/electronics-materials.html" class="tbm-link level-3"> Electronics Materials <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/fuel-cell-materials.html" class="tbm-link level-3"> Fuel Cell Materials <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/fusion-energy" class="tbm-link level-3"> Fusion Energy <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/optical-materials.html" class="tbm-link level-3"> Glass Manufacturing <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/green-technology-alternative-energy.html" class="tbm-link level-3"> Green Technology <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/Hydrogen-Storage.html" class="tbm-link level-3"> Hydrogen Storage <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/optical-materials.html" class="tbm-link level-3"> Laser Crystals <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/life-science-organic-chemistry" class="tbm-link level-3"> Life Sciences <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/metallurgy.html" class="tbm-link level-3"> Metallurgy <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/nanomaterials-nanoparticles-nanotechnology.html" class="tbm-link level-3"> Nanomaterials <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/nanomaterials-nanoparticles-nanotechnology.html" class="tbm-link level-3"> Nanotechnology <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/optical-materials.html" class="tbm-link level-3"> Optical Materials <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/solar-energy-materials.html" class="tbm-link level-3"> Photovoltaics <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/pigments-coatings.html" class="tbm-link level-3"> Pigments & Coatings <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/metal-plating" class="tbm-link level-3"> Plating <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/research-and-development.html" class="tbm-link level-3"> Research & Development <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/solar-energy-materials.html" class="tbm-link level-3"> Solar Energy <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/space-industry.html" class="tbm-link level-3"> Space Technology <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/sputtering-targets.html" class="tbm-link level-3"> Sputtering Targets <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/Battery-Technology.html" class="tbm-link level-3"> Supercapacitor Materials <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/thin-film-evaporation-materials.html" class="tbm-link level-3"> Thin Film Deposition <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/water-treatment-chemicals.html" class="tbm-link level-3"> Water Treatment <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/weather-modification" class="tbm-link level-3"> Weather Modification <span class="tbm-caption">Array</span> </a> </div> </li> </ul> </div> </div> </div> </div> </li> <li class="tbm-item level-2 tbm-group" aria-level="2" > <div class="tbm-link-container"> <span class="tbm-link level-2 no-link tbm-group-title" tabindex="0" aria-expanded="false"> Life Science Products <span class="tbm-caption">Array</span> </span> </div> <div class="tbm-group-container tbm-item-child" role="list"> <div class="tbm-row"> <div class="tbm-column span12"> <div class="tbm-column-inner"> <ul class="tbm-subnav level-2 items-37" role="list"> <li class="tbm-item level-3 menu-item-bold" aria-level="3" > <div class="tbm-link-container"> <a href="/life-science-organic-chemistry" class="tbm-link level-3"> All Life Science <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/alcohols" class="tbm-link level-3"> Alcohols <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/aldehydes" class="tbm-link level-3"> Aldehydes <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/alkanes" class="tbm-link level-3"> Alkanes <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/amides" class="tbm-link level-3"> Amides <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/amines" class="tbm-link level-3"> Amines <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/amino-acids-derivatives" class="tbm-link level-3"> Amino Acids & Derivatives <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/aromatics" class="tbm-link level-3"> Aromatics <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/aryls" class="tbm-link level-3"> Aryls <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/azetidines" class="tbm-link level-3"> Azetidines <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/benzimidazoles" class="tbm-link level-3"> Benzimidazoles <span class="tbm-caption">Array</span> </a> </div> </li> <li class="tbm-item level-3" aria-level="3" > <div class="tbm-link-container"> <a href="/benzothiophenes" class="tbm-link level-3"> Benziothiophenes 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