A metal is a (material an, element, compound or) alloy that is typically, hard, opaque, shiny and has good electrical and thermal.
Metals are atoms that attach themselves to other atoms in a particular way. Metal atoms, because of how their electrons are arranged, lose their electrons easily. When they join up with other atoms to make molecules, metal atoms join together by exchanging electrons. Because metal atoms join other metal atoms in this special way, most metal is shiny, soft, and easy to bend. Most metals are also good conductors of electricity-that is, electrons move easily from one atom of metal to the next. (That's why we make electric wires out of copper). There are really others, for quicksilver is a metal, although the Alchemists disagree with us on this subject, and bismuth is also. The ancient Greek writers seem to have been ignorant of bismuth, wherefore Ammonius rightly states that there are many species of metals, animals, and plants which are unknown to us. When a metal ore is an ionic compound of that metal and a non-metal, the ore must usually be smelted — heated with a reducing agent — to extract the pure metal. Many common metals, such as iron, are smelted using carbon as a reducing agent. Metals and Nonmetals. As shown on the periodic table of the elements below, the majority of the chemical elements in pure form are classified as metals. It seems appropriate to describe what is meant by metal in general terms. This general description is adapted from Shipman, et al A metal (from Greek μέταλλον metallon, métallon, mine, quarry) metal is a (material an, element, compound or) alloy that is typically, hard, opaque, shiny and has good electrical and thermal. conductivity When a metal ore is an ionic compound of that metal and a non-metal, the ore must usually be smelted — heated with a reducing agent — to extract the pure metal. Many common metals, such as iron, are smelted using carbon as a reducing agent. noun. Gold is an example of a metal. Gold is an example of a metal. The definition of metal is any of the elements with a positive electrical charge, typically with a shiny surface and a good conductor of heat. An example of metal is gold. Metals. Metals are opaque, lustrous elements that are good conductors of heat and electricity. Most metals are malleable and ductile and are, in general, denser than the other elemental substances.  About 91 of the 118 elements in the periodic table are metals (some elements appear in both metallic and non-metallic forms). Astrophysicists use the term metal to collectively describe all elements other than hydrogen and helium. Thus, the metallicity of an object is the proportion of its matter made up of chemical elements other than hydrogen and helium. When a metal ore is an ionic compound of that metal and a non-metal, the ore must usually be smelted — heated with a reducing agent — to extract the pure metal. Many common metals, such as iron, are smelted using carbon as a reducing agent. 2. An alloy, such as steel or bronze, made of two or more metals. Usage We think of metals as hard, shiny materials used to make things like paper clips and cars. But for chemists, a metal is a chemical element that loses electrons in a chemical reaction. Here is look at the location of the metals on the periodic table and their common properties: Examples of Metals. Most of the elements on the periodic table are metals, including gold, silver, platinum, mercury, uranium, aluminum, sodium and calcium. Alloys, such as brass and bronze, also are metals.
http://quatr.us/chemistry/metals/ https://en.wikipedia.org/wiki/Metal http://hyperphysics.phy-astr.gsu.edu/hbase/pertab/metal.html https://en.wikipedia.org/wiki/Metal http://www.yourdictionary.com/metal http://depts.washington.edu/matseed/mse_resources/Webpage/Metals/metals.htm https://en.wikipedia.org/wiki/Metal http://www.thefreedictionary.com/metal http://chemistry.about.com/od/elementgroups/a/metals.htm
what is metals