Metal, any of a class of substances characterized by high electrical and thermal conductivity as well as by malleability, ductility, and high reflectivity of light. Dictionary ... (chemistry) An element, such as phosphorus or chlorine, that does not have the chemical or physical properties of a metal. The nonmetals are a group of elements in the periodic table. 0. See more. The elements present in the periodic table can be divided as metals, non metals and metalloids. noun. Compounds between Nonmetals and Nonmetals. The elements which are present in the left of the line are known as metals whereas the elements which are present in the right of the line are known as nonmetals. 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. Metals and Nonmetals are different types of materials present around us. They are located to the right of the metalloids and to the left of the halogens. Dictionary ! 0. Information and translations of nonmetal in the most comprehensive dictionary definitions resource on the web. Definition of nonmetal in the Definitions.net dictionary. These elements have similar chemical properties that differ from the elements considered metals. These elements are often referred to as "other nonmetals" as the halogens and noble gases are also nonmetals. The reactive nonmetals differ in nonmetallic character . Non Metals - There is no definition of a nonmetal. Approximately three-quarters of all known chemical elements are metals. See more. The nonmetal element group is a subset of these elements. The remaining elements, carbon, phosphorus, sulfur, selenium, and iodine, exist in solid forms at room temperature. Nonmetallic definition, of or relating to a nonmetal. The elements generally regarded as nonmetals are: hydrogen (H) Generally, any element lacking or having a deficiency in the preponderance of metallic attributes can be considered as a nonmetal. The line dividing the metal and nonmetal is known as the metal-nonmetal line. In many cases, nonmetals form more than one binary compound, so prefixes are used to distinguish them. What does nonmetal mean? Meaning of nonmetal. (A few elements with intermediate properties are referred to as metalloids.). Nonmetal definition, an element not having the character of a metal, as carbon or nitrogen. Nonmetals include the nonmetal group, the halogens, and the noble gases. Nonmetals are distributed into two groups reflecting their relative tendency to create chemical compounds specifically reactive nonmetals and noble gases. Menu. Advertisement Solid Nonmetal Elements. The nonmetal elements occupy the upper right-hand corner of the periodic table. Learn more about metals in this article. ... 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