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A metal is a chemical element that is a good conductor of both electricity and heat and forms cations and ionic bonds with non-metals. In chemistry, a metal (from Greek "μέταλλον" - métallon, "mine") is an element, compound, or alloy characterized by high electrical conductivity. In a metal, atoms readily lose electrons to form positive ions (cations). Those ions are surrounded by delocalized electrons, which are responsible for the conductivity. The solid thus produced is held by electrostatic interactions between the ions and the electron cloud, which are called metallic bonds. Usage in astronomy is quite different. From Wikipedia under the
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Q. If metals are materials where there is a 'latice' of positively charged nuclei surrounded by a sea of free moving electrons, what keeps the positively charged parts together? Asked by Ofeeokus - Sun Jun 27 03:03:37 2010 - - 1 Answers - 0 Comments A. A force called the nuclear strong force, it is much stronger than the force of positive protons repelling each other. Answered by Gabi (Xing) - Sun Jun 27 03:05:02 2010 From Yahoo Answer Search: "Metals"  video.google.com Sun, 20 Apr 2008 22:31:19 PDT MySpace Friend Me! www.myspace.com Heavy Metals Detox & Chelation Therapy - Austin Wellness Dr. Bellonzi discusses how chelation can address ... video.google.com.  video.google.com Sat, 22 Dec 2007 12:01:56 PST This video discusses the Alchemy of the Philosopher's Stone in the form of a Spherical Moe-Joe Cell containing precious metals. Moshe Daniel ... video.google.com.  youtube.com Tue, 04 Mar 2008 05:02:29 PST Technology Focus: Metals - Direct Metal Laser Sintering. With Peter Klink, Mike Shellabear and Christof Stotko of EOS.. youtube.com. From Google Video Search: "Metals" |
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