Metals and their uses pdf file

If it is soft enough to be machined with regular tooling, the file. Topics covered are introduction to metals, physical and chemical properties of metals. Metals and non metals class 8 notes, question answers. Metals and their properties physical and chemical csun. When heated, metals can be shaped into anything from a tiny paperclip to a huge aircraft. An alloy is a mixture of two or more elements eg, iron and carbon to make another metal with particular. Metals have lots of uses, as elements, alloys or compounds. Describe the different types of ferrous metals and alloys. Metals are generally not used in their pure state but as mixtures of metals or metal and non metal constituents commonly referred to as alloys.

For example, in construction, the alloy steel is the usual choice for structural building materials due to its strength and flexibility while copper is used for a range of architectural parts such as roofs and gutters, due to its durability and appearance. Different metals and their properties metals are some of the most widely used materials on the planet, as well as being one of the most extracted. This file has a series of individual teeth and produces a rough cut. Periodic table pdf with 118 elements science notes and. Bronze is considered the earliest alloy to be used by humans and was probably discovered when copper and tin accidentally melted together and hardened. These elements were classified by lavoisier in to metals and nonmetals by studying their properties. These elements were classified by lavoisier in to metals and non metals by studying their properties. Metals, in their pure state, have a shining surface. Many different colleges and universities consider ace credit recommendations in determining the applicability to their course and degree programs. Metals and non metals chapter3 i n class ix you have learnt about various elements. You have seen that elements can be classified as metals or non metals on the basis of their properties. Copper is an excellent electrical and heat conductor. As the name indicates these are the metal combination of iron with carbon.

The metals and non metals differ in their properties. The higher bll concentration and prevalence of chronic diseases in adults might be due to their longterm exposure to heavy metal contamination environment and higher background level of heavy metals. What properties did you think of while categorising elements as metals or non metals. This is the whole lesson on metals, their uses and what alloy is. Different metals are used for different purposes figure 12. As we learn their different properties and characteristics, we can then select the right type of metal and use the proper method to complete the job. Try to cut these metals with a sharp knife and note your observations. Different metals and their properties morecambe metals. Jan 19, 2019 for the love of physics walter lewin may 16, 2011 duration. Types of metals name of metal characteristics positives. Use a doublecut file to file brass, bronze, copper, and tin.

Its crystalline structure is also different from those of. Ferrous metals are those composed primarily of iron atomic symbol fe and iron alloys. Most elements are metals, but quite a few are nonmetals. Metals have many properties, such as strength, toughness, and stiffness. The properties and uses of refractory metals and their. Its important to be able to distinguish between the different types of elements. Metal alloys are combinations of different metals in one mineral. Files are made in various lengths, shapes, and cuts. Metals have many uses in industry, agriculture and even in the health sector. Metals are composed not of complete atoms, but of cations, atoms that have lost their outer electrons. The article focuses on the different types of metals and their. These are metals which are made of combination of metals.

Most are hand tools, made of a case hardened steel bar of rectangular, square, triangular, or round crosssection, with one or more surfaces cut with sharp, generally parallel teeth. Ferrous metals composition, properties and uses of some. For metals listed under cercla antimony, arsenic, beryllium, cadmium, chromium, copper, lead, nickel, selenium, silver, thallium, and zinc, no reporting of releases of the solid form is required if the mean diameter of the pieces of the solid metal released is greater than. Nonferrous metals are those composed primarily of some element or elements other than iron, although nonferrous metals or alloys sometimes contain a small amount of iron as an alloying element or as an impurity. Most common metal used, made mostly from iron, very strong, does not bend. Oct 26, 2017 blank periodic table fill in the blanks. Each metal that is extracted has different properties, and it is important to understand these so that you know if you are using that type of metal in the right application and so that you know. Think of some uses of metals and nonmetals in your daily life. Ppt metals and their uses powerpoint presentation free to. Iron fe is the principal element of ferrous metals.

Tutorial electronic homework, metals and their uses. The cells and format for all 118 elements are provided. Stage 2 mixing the oxides with carbon and heating in a furnace. A file is a tool used to remove fine amounts of material from a workpiece. File, in hardware and metalworking, tool of hardened steel in the form of a bar or rod with many small cutting edges raised on its longitudinal surfaces. Chapter 1 properties and uses of metal seabee magazine. They are low enough for the first three lithium, sodium and potassium to float on water. Metals and nonmetals chapter3 i n class ix you have learnt about various elements. The property of malleability is similar to but not the same as that of ductility, and different metals do not possess the two properties in the same degree. Physical properties of the alkali metals bbc bitesize. An ore is a mineral deposit that can be mined and refined at profit. Nov 07, 2019 use a doublecut file to file brass, bronze, copper, and tin.

Mechanical properties of metals include ductility, i. They are alloyed mixed to get desired properties like greater strength. You have seen that elements can be classified as metals or nonmetals on the basis of their properties. Metals and their uses 1 metals and their uses mild steel stainless steel high speed steel cast iron aluminium duralumin copper brass lead tin zinc 2 all metals fall within two groups pure metals alloys iron copper aluminium lead zinc tin gold a mixture of two or more materials brass copper zinc steel iron carbon cast iron. Based on properties, metals can be differentiated as. In some places, the mineral deposits in rock contain a high concentration of one metal. When heated, metals can be shaped into anything from a. Some metals like sodium, potassium and magnesium are easy to cut. Band saw file narrow edges for sharpening band saw blades. An alloy is a mixture of two or more elements eg, iron and carbon to make another metal with particular properties eg steel. It is common in woodworking, metalworking, and other similar trade and hobby tasks. Some non metals and their uses are listed below 1 oxygen is used for breathing. Also the little water paintings that appear in these tales make the reading much more fun, as a reader you are taken to the fantasy world through these little images. Metals and non metals class 8 science chapter 4 as per ncert book used in cbse and other schools.

The various alloys of iron, after undergoing certain processes, are pig iron, gray cast iron, white iron, white cast iron, malleable cast iron, wrought iron, alloy steel, and carbon steel. Raspcut files can be used for wood as well as lead and aluminum. A relatively large group of potentially toxic elements are the socalled heavy metals. This article covers all the important question related to metals.

Examples of alloys are brass, bronze, pewter and steel. Gold and silver metals are the most malleable metals. Specialty files auger bit file thin, flat file with taper to each end. Ferrous metals appear in the form of cast iron, carbon steel, and tool steel. Examines the properties of metals, the different types, where they are found, and their uses includes bibliographical references page 44 and index olympic metals properties of metals atoms and elements the periodic table groups of metals from mines to manufacturing alloys metals and their reactions recycling metals. Metals are easier to recycle than plastic and they retain their original properties, such as conductivity and hardness. These are lesson plans, slides, video links, activities and worksheets for aqac metals and their uses. As we learn their different properties and characteristics, we can then select the right type of metal and use the proper method to. He is the editor of the standard text applied environmental geochemistry and has published widely on sources and pathways of metals in the environment and their impacts. Metals in general have high electrical conductivity, high thermal conductivity, and high density. The ferrous metals includes all the types of iron, steel, and their alloys.

You dont have to be a chemist to recognize that metals and nonmetals are different, however, to understand why they are so different we need to look at the structure of metals in more detail. For the love of physics walter lewin may 16, 2011 duration. Metals on being hammered can be beaten into thinner sheets. Resources for metals and their uses share my lesson. All the things around us are made of 100 or so elements. A work in progress but uploaded what i have done so far.

These tough metals should be filed with a doublecut file as they are strong enough to withstand the metal andor alloy. Pdf minerals and their usesnative elements researchgate. Their defining criteria are high atomic weight and density of more than 4. Metals and their properties physical and chemical all the things around us are made of 100 or so elements. They are grouped together in the middle to the lefthand side of the periodic table. Metals and alloys some metals are important as pure elements e. If they are not properly used and cared for, their advantages are lost to you. The atoms of metallic substances are typically arranged in one of three. Use the information in the table and the chart to predict the. Use the information given to help you to answer these questions. Most engineering applications require the enhanced. Od1643 us army correspondence course program 6 credit hours general the purpose of this subcourse is to introduce the student to the properties of metals, their characteristics, uses and identification codes.

The metals consist of the alkali metals, alkaline earths, transition metals, lanthanides, and actinides. The file can also be used to determine the harder of two pieces of metal. Think of some uses of metals and non metals in your daily life. File test one simple way to check for hardness in a piece of metal is to file a small portion of it. Resources for metals and their uses lesson plan template and teaching resources. It is because of their malleability and ductility that metals can be given different shapes according to our needs. Pdf file periodic table of atom sizes see the relative sizes of the atoms of the elements. Tm 9243 types and uses files are used for cutting, smoothing off, or removing small amounts of metal, wood, plastic, or other material. Chapter 3 introduction to welding in the navy as well as private industry, welding is widely used by metalworkers in the fabrication, maintenance, and repair of parts and structures.

Combining different ratios of metals as alloys modifies the properties of. Metal properties, char, uses, and codes od1643 lesson 1task 1 c the yield strength is the number of pounds per square inch required to produce deformation to the yield point. The highlighted elements are considered the metal elements. The file method should only be used in situations when the exact hardness is not required. The book has many tales about metals related to their uses and discovery. The metals zinc and lead are produced from this ore in two stages.

These tough metals should be filed with a doublecut file as they are strong enough to withstand the metal and or alloy. The cutting or abrading action of the file results from rubbing it, usually by. The work discussed concerns the refractory metals niobium, tantalum, molybdenum, and tungsten and alloys based on these elements. Types of metal and their applications classification of metals. The metals and nonmetals differ in their properties. What properties did you think of while categorising elements as metals or nonmetals. Precious metals such as gold and silver are also alloyed with other metals to make durable jewelry. Recent results on intermetallic compounds that contain a refractory metal and composites that are made of refractory metals. Calcium is an important metal ion in ones diet, because it is essential for strong bones and teeth. Stage 1 decomposing the carbonates to produce a mixture of zinc oxide and lead oxide. The modulus of elasticity is the ratio of the internal stress to the strain produced.

Common maintenance tools and their uses tools are designed to make a job easier and enable you to work more efficiently. Common examples of plating include tin cans, which are made of steel plated with tin. A narrow, pointed tang is common at one end, to which a. It is a joy to read these, and i have cherished these tales since my childhood. Ferrous metals are those which contain iron as their main constituent or base metal.

Since it has various varieties and large scale use, it is categorized as ferrous. Chapter 1 introduction to types and identification of metal. Png files, in particular, are very small file sizes that. Update added 1111includes powerpoints with practical ideas for reactivity series and metal extraction. In order to crossfile, the usual method of filing, grasp the handle so that its end fits into and against the fleshy part of your palm with the thumb lying along the top of the handle in a.

Ferrous metals contain iron while nonferrous metals do not. Sep 03, 2014 the highlighted elements are considered the metal elements. You dont have to be a chemist to recognize that metals and non metals are different, however, to understand why they are so different we need to look at the structure of metals in more detail. The metals share several common properties, including. A pure metal is an element eg iron, copper, gold unalloyed not mixed with another substance. What are some examples of five metals and their uses. Recycling uses up to 95% less electricity than producing metals from ores. These are lesson plans, slides, video links, activities and worksheets for aqacmetals and their uses. In the present, their role in the engineering industries can be easily described as most dominating. Includes lessons on extracting metals, iron and steel, aluminum and titanium, useful metals and metallic issues. Here are lists of five metals and five nonmetals, an explanation of how you can tell them apart, and some examples of their uses. The lesson covers the complete explanation of class 8 chapter 4 metals and non metals.

Both ferrous and nonferrous metals are divided into pure metals and alloys. They are even part of few biomolecules in plants and animals. Metals are minerals like iron or lead that are found underground in rocks. In the present, their role in the engineering industries can. Types of metals name of metal characteristics positives negatives common uses steel most common metal used, made mostly from iron, very strong, does not bend easily, dark gray color massproduced because it can be made cheaply, very strong oxidizes with exposure to water rusts if left. Before attempting to use a file, make sure their is an undamaged handle on the tang of the file. Its crystalline structure is also different from those of the pure metals. Ppt metals and their uses powerpoint presentation free. Recycling costs less than extracting metals and can be profitable.