3. Categories. 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. 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. 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. Main articles: Ferrous metallurgy and Non-ferrous metals. b) For each metal you listed in (a), describe two different uses for each. Metals. Since the discovery of the light bulb, the metal tungsten was widely used to … Non- metals are non- malleable and non- ductile. • Reaction of Metals with Non-metals → Reactivity of elements is the tendency to attain a completely filled valence shell. Metals are materials holding or possessing the characteristics of being shiny, hard, fusible, malleable, ductile, etc. A metal is a material that, when freshly prepared shows a lustrous appearance. Non-metals react with chlorine to produce covalent chlorides. Most of the metals in existence have the power to conduct electricity unlike all non-metals. Sulfur, bromine, and helium are typical non-metals. Key Differences Between Metals, Non-Metals, and Metalloids. They are electronegative in character. The following are the physical properties of metal : The physical properties make them useful for many purposes. Ans: Hydrogen, hydrogen, chlorine, fluorine, carbon, nitrogen, arsenic, phosphorus, selenium are examples of non-metal. Atom of the non-metals gain electrons in the valence shell to form anion. E.g. Similarities - both are materials. Non-Metals. Non-metals are brittle. Heavy and light metals. What are nonmetal and metal? Non-metals cannot displace hydrogen from dilute acids. Introduction to Non metals. Nonmetals, when reacting with metals, tend to gain electrons (typically attaining noble gas electron configuration) and become anions: $\ce{3Br2(l) + 2Al(s) \rightarrow 2AlBr3(s)} \nonumber$ 1.0 Lustre: Not only metals have metallic lustre but certain non-metals like iodine and graphite have also a metallic lustre. Non-metals, on the other hand, are materials lacking these properties. Non-metals are bad conducts of heat and electricity, Many non-metals are insulators. → Atoms of the metals lose electrons from their valence shell to form cation. Ferrous and non-ferrous metals. Answer. Non-metals are the elements which form negative ions by gaining an electron. Non-metals are generally poor conductors of heat and electricity. Classification of nonmetals. Refractory metal. White metal. Non-metals may occur as gases at room temperature. 2. 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 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. Copper is used in making electric wires, gold is used to make … Conversely, non-metals are insulators, and so they do not support conduction of heat and electricity. Physical properties of non-metals. Hardness: Most of the metals are hard, except alkali metals, such as sodium, potassium, lithium, … A zigzag line runs down the right side of the table. Thus, non¬metals are also known as Electronegative Elements. Metals and non-metals are two different classes of materials. 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. Occurence of Metals. Physical Properties of Metals. A metal is an element which is typically hard, shiny, fusible, malleable, and ductile, with good electrical and thermal conductivity. Over the span of several years, many scientists have stumbled across new and unknown substances which they have taken much time and effort to study and figure out— some of these materials have turned out to be beneficial and valuable to man’s needs, while others, interestingly, simply exist in the environment we live in. (i) Sodium, carbon (diamond). They cannot be beaten into thin sheets or drawn into wires because of their brittleness. Few examples of metals (materials) are – Gold, Silver, Aluminium, Copper, Iron, etc. On the other hand, only a few metals like K, Na, Ca, and Mg react with hydrogen to produce metal hydrides. Metals and Non-metals Class 10 Important Questions Long Answer Type. (a) In the formation of compound between two atoms A and B, A loses two electrons and B gains one electron. Answer. (i) Nickel and chromium. Examples of metals are Lithium, Sodium, Calcium, Magnesium, Barium, Lead, and Indium. 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. What are examples of nonmetals? A nonmetal is an element that does not have the properties of a metal. Hardness: Non-metals are not hard rather they are generally soft. A large number of metals are available in nature. There is much to be learned when it comes to the properties of these two. Non-metals don’t react with dilute acids, but all the metals react with chlorine to form ionic metal chlorides. have properties of both metals and non-metals. ( materials ) are – gold, aluminium, copper, silver, aluminium, copper, silver, is! Negative ions by gaining an electron or a material that, when freshly prepared shows a lustrous appearance 1! Metalloids and nonmetals according to their shared physical and chemical properties silver, gold silver. 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