metals chemical definition
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Metal 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
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chemical chemical. n. 1. (Chemistry) any substance used in or resulting from a reaction involving changes to atoms or molecules, especially one derived artificially for practical use. adj. 2. (Chemistry) of or used in chemistry: chemical balance. 3. (Chemistry) of, made from, or using chemicals: chemical fertilizer.
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- A metal can refer to an element, compound, or alloy that is a good conductor of both electricity and heat. Example metals include gold, sodium, copper, iron, and many other elements. Metals are usually malleable, ductile, and shiny.
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The difference between Metals, non-metals, and metalloids Metalloids Metalloids are. elements whose properties are intermediate between those of metals and solid nonmetals. Such as silicon and boron. Metals Non-Metals An element, compound, or alloy that is good conductor of both electricity and heat.They are also solids. Metals are malleable, ductile and shiny. They consist of close-packed atoms.hey are gases. Examples: oxygen, nitrogen, hydrogen, & carbon The difference between metalloids, metals and non metals is that they all have different types of properties. Metals are solids, non metals are gasses and metalloids are in between metals and non metals.
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metal Definition of metal for English Language Learners : a substance (such as gold, tin, or copper) that usually has a shiny appearance, is a good conductor of electricity and heat, can be melted, and is usually capable of being shaped
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What is culinary heritage? I’m supposed to know something about culinary heritage. Exploring Hawaii’s Culinary Heritage is the subtitle of the book I published in the 1990s on the extraordinary foods of the Islands.I’d like to say that I had pondered long and hard over the title.xploring Hawaii’s Culinary Heritage is the subtitle of the book I published in the 1990s on the extraordinary foods of the Islands. I’d like to say that I had pondered long and hard over the title.
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Metals Nonmetals Metalloids Metals are elements that conduct heat and electricity. They are malleable and ductile. Metals are also lustrous, hard, strong, heavy and sonorous. Some of the metals are Iron, Aluminum, Copper, Silver, Gold, Platinum, Zinc, Tin, Lead, Mercury, Sodium, Potassium and Magnesium.All the metals are solids, except mercury which is a liquid at room temperature. However, the chemical properties of metalloids are either as metals or non-metals. 2  They form amphoteric oxides as metals form basic oxides but non-metals are generally acidic oxides. 3  The most important feature of metalloids is their semi conductivity.
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Metal 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.hen 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.
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Metalloid A metalloid is a chemical element with properties in between, or that are a mixture of, those of metals and nonmetals. There is no standard definition of a metalloid, nor is there complete agreement as to which elements are appropriately classified as such.ive metalloids—boron, silicon, germanium, arsenic and antimony—can be found in cell phones (along with at least 39 other metals and nonmetals). Tellurium is expected to find such use. Of the less often recognised metalloids, phosphorus, gallium (in particular) and selenium have semiconductor applications.
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Metals, Nonmetals, & Metalloids Metals, Nonmetals, & Metalloids. The periodic table on the left separates elements into three groups: the metals (green in the table), nonmetals (orange), and metalloids (blue). Most elements are metals. They are usually shiny, very dense, and only melt at high temperatures. Their shape can be easily changed into thin wires or sheets without breaking.
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- A metal is a lattice of positive metal 'ions' in a 'sea' of delocalised electrons. Metallic bonding refers to the interaction between the delocalised electrons and the metal nuclei. The physical properties of metals are the result of the delocalisation of the electrons involved in metallic bonding.
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- In chemistry, the term base metal is used informally to refer to a metal that oxidizes or corrodes relatively easily, and reacts variably with dilute hydrochloric acid (HCl) to form hydrogen. Examples include iron, nickel, lead and zinc.hen 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.
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10 Hardest Metals Save. Of all the elements in the periodic table, most of them can be considered metals. In general, metals are defined as materials that are good conductors of heat and electricity, are solid at room temperature, are opaque and lustrous, and can be stretched and pounded into sheets.
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metal noun. 1  Any of a category of electropositive elements that usually have a shiny surface, are generally good conductors of heat and electricity, and can be melted or fused, hammered into thin sheets, or drawn into wires. 2  An alloy of two or more metallic elements. 3  An object made of metal. 4  Basic character; mettle.
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Category:Chemical elements Wikimedia Commons has media related to Chemical elements. A chemical element is a substance that cannot be divided or changed into different substances by ordinary chemical methods. The smallest particle of such an element is an atom, which consists of electrons centered around a nucleus of protons and neutrons.
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metal met·al (mĕt′l) n. 1. Any of a category of electropositive elements that usually have a shiny surface, are generally good conductors of heat and electricity, and can be melted or fused, hammered into thin sheets, or drawn into wires.
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chemical Of or relating to the properties or actions of chemicals. n. 1. A substance with a distinct molecular composition that is produced by or used in a chemical process. 2. A drug, especially an illicit or addictive one. chem′i·cal·ly adv.
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- 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.hen 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.
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metal Gold is an example of a metal. noun. 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. metal
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- A: Metalloids are chemical elements that have properties common with both metals and nonmetals. Some metalloid semiconductors are able to carry an electrical charge under the right conditions, a property that allows them to be used in the production of computers and other electronic devices.
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What are metalloids and how is it used? Name all the metalloids on the periodic table? Metalloid, or semi metal is a term used in chemistry when classifying the chemical elements. On the basis of their general physical and chemical properties, nearly every element in the periodic table can be termed either a metal or a nonmetal.hat are some uses of metalloids? Together with the metals and nonmetals, the metalloids (in Greek metallon = metal and eidos = sort-also called semimetals) form one of the three categories of chemical elements as classified by ionization and bonding properties.
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Learn All About Metals Elements are generally classified as metals or nonmetals (although some elements have characteristics of both; these are called metalloids). The majority of elements listed in the periodic table are metals. These elements usually share three main properties: 1  Luster: Metals are shiny when cut, scratched, or polished.
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- Metalloids is a term used in Periodic Chemistry when classifying the chemical elements. Each element can usually be classified as a metal or a non-metal based on their general Chemical and Physical Properties. However, metalloids have mixed properties which can be harder to characterize.
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- metal definition: 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. (noun) An example of metal is gold....
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Chemical element A chemical element is a substance that contains only one type of atom. If a substance contains more than one type of atom, it is a compound. An element can be a solid, liquid or gas. The smallest particle of such an element is an atom. Atoms are made up of protons, neutrons, and electrons.
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chemical chem•i•cal. 1. a substance produced by or used in chemistry. 2. chemicals, Slang. narcotic or mind-altering drugs or substances. 3. of, used in, produced by, or concerned with chemistry or chemicals: a chemical formula. 4. used in chemical warfare: chemical weapons.