Few examples of metals (materials) are – Gold, Silver, Aluminium, Copper, Iron, etc. 3.0 Density: Alkali metals have low density. 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. Introduction to Non metals. 1.0 Lustre: Not only metals have metallic lustre but certain non-metals like iodine and graphite have also a metallic lustre. Conversely, non-metals are insulators, and so they do not support conduction of heat and electricity. Copper is used in making electric wires, gold is used to make … What are nonmetal and metal? The rows of the table are called periods and columns are called groups. (i) Sodium, carbon (diamond). Metals are materials holding or possessing the characteristics of being shiny, hard, fusible, malleable, ductile, etc. Nonmetals are generally classified into three categories depending on … For examples, diamond is a good conductor of heat and graphic is a good conductor of electricity. Physical properties of non-metals. Do you remember learning about materials in Grade 4. (a) In the formation of compound between two atoms A and B, A loses two electrons and B gains one electron. Non-metals do not show such displacement reactions. Non-metals don’t react with dilute acids, but all the metals react with chlorine to form ionic metal chlorides. Non-metals are bad conducts of heat and electricity, Many non-metals are insulators. 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. White metal. Hardness: Non-metals are not hard rather they are generally soft. In the outer shell, metals consist of 1 to 3 electrons, whereas non-metals consist of 4 to 8 electrons. Key Differences Between Metals, Non-Metals, and Metalloids. 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. Properties are the things that are special or unique about an object or a material. 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. Metals. Non-metals may occur as gases at room temperature. Ans: Hydrogen, hydrogen, chlorine, fluorine, carbon, nitrogen, arsenic, phosphorus, selenium are examples of non-metal. (i) Nickel and chromium. A zigzag line runs down the right side of the table. Ans: A chemical element (such as boron, carbon or nitrogen) that lacks metal properties and is capable of forming anions, acid oxides, acids, and stable hydrogen compounds. Similarities - both are materials. Some of the common examples of non- metals are carbon, sulphur, iodine, nitrogen etc. 2. 2.Mention the names of the metals for the following: (i) Two metals which are alloyed with iron to make stainless steel. Non-metals cannot displace hydrogen from dilute acids. They are soft in nature and are the bad conductor of heat and electricity. Examples of non-metals are Iodine, Bromine, Helium, Neon, and Argon while that of metalloids are Arsenic, Tellurium, Antimony, Polonium, Tennessine, etc. Metals and Non-metals Class 10 Important Questions Long Answer Type. How to Tell Metals and Nonmetals Apart . Ans: substance whether solids, liquids, or gases can be metals. 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. Atom of the non-metals gain electrons in the valence shell to form anion. On the other hand, only a few metals like K, Na, Ca, and Mg react with hydrogen to produce metal hydrides. Carry out the Activities 3.1 to 3.6 with these non-metals and record your observations. Non-metals are generally poor conductors of heat and electricity. 1. Sulfur, bromine, and helium are typical non-metals. A nonmetal is an element that does not have the properties of a metal. There is a total of 92 elements that are known to be found naturally, out of which 70 are metals and 22 are non-metals. Since the discovery of the light bulb, the metal tungsten was widely used to … There are a few exceptions. A metalloid is an element having intermediate properties of both metals and nonmetals. Non-metals have a tendency to gain or share electrons with other atoms. Alloys made of mixtures of at least one metal with either other metals, or with non-metals. Both may occur in solid and liquid form. Answer. Hardness: Most of the metals are hard, except alkali metals, such as sodium, potassium, lithium, … There is much to be learned when it comes to the properties of these two. Metals vs Non-metals. are not able to conduct electricity or heat very well, very brittle (breakable), and cannot be made into wires or pounded into sheets. With the exception of graphite, non-metals are weak hea… We have encountered the terms 'METALS' and 'NON-METALS' many times. b) For each metal you listed in (a), describe two different uses for each. 2. a)List the names of three nonmetals you are familiar with in your daily life. (ii)Mercury is liquid metal, bromine is liquid non-metal. have properties of both metals and non-metals. Answer. Properties of non-metals are usually the opposite of properties of metals; Non-metals can be solid, liquid, or gas at room temperature depending upon the element. : Formation of NaCl Na → Na + + e-2, 8, 1 2, 8 Ferrous and non-ferrous metals. The chemical elements can be broadly divided into metals, metalloids and nonmetals according to their shared physical and chemical properties. Elements on this line are metalloids or semimetals, which have properties intermediate between those of metals and nonmetals. Non-metals are the elements which form negative ions by gaining an electron. Non- metals are non- malleable and non- ductile. Categories. In Electric Lighting. They are electronegative in character. 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