They are electronegative in character. Non-metals don’t react with dilute acids, but all the metals react with chlorine to form ionic metal chlorides. 1. Examples of metals are Lithium, Sodium, Calcium, Magnesium, Barium, Lead, and Indium. The chemical elements can be broadly divided into metals, metalloids and nonmetals according to their shared physical and chemical properties. Few examples of metals (materials) are – Gold, Silver, Aluminium, Copper, Iron, etc. All metals have a shiny appearance (at least when freshly polished); are good conductors of heat and electricity; form alloys with other metals; and have at least one basic oxide. The following are the physical properties of metal : The physical properties make them useful for many purposes. Thus, non¬metals are also known as Electronegative Elements. Refractory metal. What defines a nonmetal? Non-metals react with chlorine to produce covalent chlorides. (i) Nickel and chromium. 365 Coordinated Sciencefor the 21st Century Activity 6 Metals and Nonmetals 1. a)List the names of three metals you are familiar with in your daily life. List of Gujarati Names of Metals and Non-metals from English Here is a list of Gujarati names of metals and non-metals from English. The term "ferrous" is derived from the Latin word meaning ... Brittle metal. Non-Metals. Non-metals are the elements which form negative ions by gaining an electron. E.g. Classification of nonmetals. Table 3.1 Element Symbol Type of Hardness Malleability Ductility Conduction Sonority surface Heat Electricity On the bases of the observations recorded in Table 3.1, discuss the Each class has its own unique properties. There is much to be learned when it comes to the properties of these two. Alloys made of mixtures of at least one metal with either other metals, or with non-metals. b) For each metal you listed in (a), describe two different uses for each. Ans: Hydrogen, hydrogen, chlorine, fluorine, carbon, nitrogen, arsenic, phosphorus, selenium are examples of non-metal. (i) Sodium, carbon (diamond). 2. Metals have a very high melting and boiling point. Non-metals are generally poor conductors of heat and electricity. On the other hand, only a few metals like K, Na, Ca, and Mg react with hydrogen to produce metal hydrides. : Formation of NaCl Na → Na + + e-2, 8, 1 2, 8 Metals vs Non-metals. They are soft in nature and are the bad conductor of heat and electricity. 3.0 Density: Alkali metals have low density. (a) In the formation of compound between two atoms A and B, A loses two electrons and B gains one electron. Do you wish to test out your understanding on the two types of materials? Typical nonmetals have a dull, colo… • Reaction of Metals with Non-metals → Reactivity of elements is the tendency to attain a completely filled valence shell. If you would like to know Gujarati name of any other metal or non-metal or even mineral, you can contact us through the comment section. The rows of the table are called periods and columns are called groups. Physical properties of non-metals. Metals are the elements which exhibit the highest degree of metallic behavior is known as metals, on the contrary Non-metals are such elements which do not possess any metallic behavior, and Metalloids are those elements, that possess some of the properties like metal, while some like non-metal. Non-metals are bad conducts of heat and electricity, Many non-metals are insulators. For e.g. Main articles: Ferrous metallurgy and Non-ferrous metals. There are a few exceptions. (ii)Mercury is liquid metal, bromine is liquid non-metal. For examples, diamond is a good conductor of heat and graphic is a good conductor of electricity. For example, it may conduct electricity well but is brittle (and therefore, not malleable). Metals and non-metals are two different classes of materials. In this chapter we will learn about metals and non-metals. What are nonmetal and metal? Atom of the non-metals gain electrons in the valence shell to form anion. Answer. Question 1. Non-metals cannot displace hydrogen from dilute acids. 2.0 Melting point: Some metals like sodium potassium have low melting point, mercury is liquid at room temperature.Carbon a non-metal has a high melting point. (ii) Two metals which are used to make jewellary. Browse more Topics Under Materials Metals And Non Metals Metalloids are metallic-looking brittle solids that are either semiconductors or exist in semiconducting forms, and have amphoteric or weakly acidic oxides. What are examples of nonmetals? Some of the common examples of non- metals are carbon, sulphur, iodine, nitrogen etc. Non-metals do not show such displacement reactions. Ans: substance whether solids, liquids, or gases can be metals. are not able to conduct electricity or heat very well, very brittle (breakable), and cannot be made into wires or pounded into sheets. White metal. Occurence of Metals. If you said yes then the quiz … Metals. The metals are arranged on the left side and the non-metals on the right side of the periodic table. Similarities - both are materials. Non-metals have a tendency to gain or share electrons with other atoms. They can be classified in a variety of ways depending on what property or characteristic you use as a yardstick. A metalloid is an element having intermediate properties of both metals and nonmetals. With the exception of graphite, non-metals are weak hea… Metals and Non-metals Class 10 Important Questions Long Answer Type. A metal is an element which is typically hard, shiny, fusible, malleable, and ductile, with good electrical and thermal conductivity. 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