Nonmetal, in physics, a substance having a finite activation energy (band gap) for electron conduction. The elements generally regarded as nonmetals are: hydrogen (H) A metal (from Greek μέταλλον métallon, "mine, quarry, metal") is a material that, when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well. Elements that are nonmetals are hydrogen, carbon, nitrogen, phosphorus, oxygen, sulfur, selenium, all of the halogens, and the noble gases. It is not defined by what it is, but by what it is not. non-metal synonyms, non-metal pronunciation, non-metal translation, English dictionary definition of non-metal. Different chemical models have different features and limitations. non-metal. The native nonmetals diamond, fullerene, graphite, and sulfur are structurally distinct from the metals and semimetals. Definition of Non-metals. Learn more. ; Non-Malleable and Ductile: Non-metals are very brittle, and cannot be rolled into wires or pounded into sheets. Metal + Chlorine→ Metal Chloride ionic bond is formed. 1 synonym for nonmetal: nonmetallic. Share Flipboard Email Print This is a sample of pure sulfur, a yellow nonmetallic element. 1. n. Any one of the set of elements which, as contrasted with the metals, possess, produce, or receive, acid rather than basic properties; a metalloid; as, oxygen, sulphur, and chlorine are nonmetals.. The metals other than iron and alloys that do not contain an appreciable amount of ferrous (iron) are known as non-ferrous metals. Nonmetal is a term used in chemistry when classifying the chemical elements.On the basis of their general physical and chemical properties, every element in the periodic table can be termed either a metal or a nonmetal. ; Conduction: They are poor conductors of heat and electricity. They are located to the right of the metalloids and to the left of the halogens. Superhero Nation: how to write superhero novels and comic books » Retardised Whovian’s Second Review Forum. Reaction with Chlorine. Approximately three-quarters of all known chemical elements are metals. Learn a new word every day. The native nonmetals diamond, fullerene, graphite, and sulfur are structurally distinct from the metals and semimetals. Definition of Nonmetal Post the Definition of nonmetal to Facebook, Share the Definition of nonmetal on Twitter. Non-metals are those which lack all the metallic attributes. What that means is that nonmetal elements are … Non-metals are not able to conduct electricity or heat very well. In modern periodic table there are 22 non-metals in which there are 11 gases, 1 liquid and 10 solid. A nonmetal is simply an element that does not display the properties of a metal.It is not defined by what it is, but by what it is not. A metalloid is an element having intermediate properties of both metals and nonmetals. Nonmetal, in physics, a substance having a finite activation energy (band gap) for electron conduction. Delivered to your inbox! These elements are often referred to as "other nonmetals" as the halogens and noble gases are also nonmetals. What made you want to look up nonmetal? Non-metals are the elements in groups 14-16 of the periodic table. Therefore Ionic compound is obtained. . non-metal definition: a chemical element that is not a metal. Recommend (3) Comment (0) Non-metals are dull in colour, not shiny like metals. As opposed to metals, non-metallic elements are very brittle, and cannot be rolled into wires or pounded into sheets. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! You can't hammer or shape a non-metal; it will just shatter if you hit it. However, unlike metals, nonmetals display a wide range of both mechanical and optical properties, ranging from brittle to plastic and from transparent to opaque. \[\ce{CO2(g) + 2NaOH(aq) \rightarrow Na2CO3(aq) + H2O(l)} \nonumber\] Metalloids. Metal are those element which are likely to loose their electron but non metal are those element which are likely to gain electron. An example of a solid that is a nonmetal is sulfur.It is yellow and not shiny at all. (A few elements with intermediate properties are referred to as metalloids.). These are usually present in the solid or gaseous state, except Bromine, the only non-metal that exist in liquid form. nonmetal meaning: 1. a chemical element that is not a metal 2. a chemical element that is not a metal. What is a Metal – Definition, Properties, Examples 2. Synonyms for nonmetal in Free Thesaurus. Test Your Knowledge - and learn some interesting things along the way. Metals are typically malleable (they can be hammered into thin sheets) or ductile (can be drawn into wires). nonmetal | definition: not containing or resembling or characteristic of a metal | synonyms: metalloid, nonmetallic| antonyms: metallic, software, curve Nonmetals, as their name implies, are elements that display properties quite different from those of metals. Let us know if you have suggestions to improve this article (requires login). nonmetal, chemical element element, in chemistry, a substance that cannot be decomposed into simpler substances by chemical means. • NONMETAL (noun) The noun NONMETAL has 1 sense:. nonmetal definition in English dictionary, nonmetal meaning, synonyms, see also 'nonmetallic',nonet',nonmoral',noumenal'. non-métal \nɔ̃.me.tal\ masculin (Chimie) Élément chimique qui n’est pas un métal.Les non-métaux, relativement peu nombreux, occupent le coin supérieur droit du tableau […], à l’exception de l’hydrogène, non-métal classé avec les métaux. Translations. For example, the soldiers in X-Men 3 use purely non-metal weapons to attack Magneto … not that it does them much good. Define nonmetal. This is the main difference between metals nonmetals and metalloids. nonmetal: Any of a number of elements, such as oxygen or sulfur, that lack the physical and chemical properties of metals. A nonmetal is an element that does not have the properties of a metal. non-metal. This means that nonmetals display low (insulators) to moderate (semiconductors) bulk electrical conductivities, which increase with increasing temperature, and are subject to dielectric breakdown at high voltages and temperatures. Omissions? Nonmetal definition: any of a number of chemical elements that form negative ions , have acidic oxides , and... | Meaning, pronunciation, translations and examples Reactions of non-metals. 1. a chemical element lacking typical metallic properties Familiarity information: NONMETAL used as a noun is very rare. View the pronunciation for non-metal. An example of a liquid that is a nonmetal is bromine.It is red. Metalloid definition is - an element intermediate in properties between the typical metals and nonmetals. Meaning of non-metal. Key Areas Covered. An example of a solid that is a nonmetal is sulfur.It is yellow and not shiny at all. Nonmetals have properties opposite those of the metals.The nonmetals are brittle, not malleable or ductile, poor conductors of both heat and electricity, and tend to gain electrons in chemical reactions. Updates? Accessed 24 Dec. 2020. Elements can be divided into metals and nonmetals and it is important to know whether a particular element is a metal or nonmetal.Metals (like copper and aluminium) are good conductors of heat and electricity, while nonmetals (such as phosphorus and sulfur) are insulators. Medical Definition of nonmetal : a chemical element (as boron, carbon, or nitrogen) that lacks the characteristics of a metal and that is able to form anions, acidic oxides, acids, and stable compounds … These elements are shown in the following figure. Metalloids are all solid at room temperature. Some they are even solid at room temperatures like Carbon, sulfurand phosphorus. Recommend (3) Comment (0) person. They are mostly gases and sometimes liquid. A nonmetal is simply an element that does not display the properties of a metal.