19.1 Metals •Metals are also good conductors of electricity because the outer-level electrons are weakly held. These metal deposits are called ores. What properties did you think of while categorising elements as metals or non-metals? Metals are lustrous, malleable, ductile, good conductors of heat and electricity. The worksheet is available as a free download in PDF format. An ore is … Let’s look at how these properties are … Their physical and chemical properties vary widely. Mechanical properties of metals include ductility, i.e. METALS AND THEIR ORES. physical and mechanical properties of the material in the following articles. 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. • Copper’s advantages as primary metal and recycled metal, for brazed, long-life radiators and radiator parts for cars and trucks: The metals share several common properties, including: Metals and Non-metals CHAPTER3 In 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. Properties of Metals. are common elements. The metals consist of the alkali metals, alkaline earths, transition metals, lanthanides, and actinides. Think of some uses of metals and non-metals in your daily life. In some places, the mineral deposits in rock contain a high concentration of one metal. relatively high strength, excellent electrical and corrosion properties BUT expensive; applications: jet aircraft landing gear bearing, surgical and dental instruments. This worksheet can be used to test students by having them identify elements as metals, nonmetals, or metalloids. Metals in general have high electrical conductivity, high thermal conductivity, and high density . n Think of some uses of metals and non-metals in your daily life. Metals are defined as those elements which have characteristic chemical and physical properties. their capacity for plastic deformation. The familiar types of metals are (iron, aluminium, copper, lead, zinc, silver, gold, etc.) Metals and Non-metals CHAPTER3 I n Class IX you have learnt about various elements. They are grouped together in the middle to the left-hand side of the periodic table. These properties of non-metals provide one means by which we can distinguish metals from non-metals. Considering the properties of non-metals it is not shiny, malleable or ductile nor are they good conductors of electricity. It was not unexpected that this edition sold very well over many years until it went out-of-print in 2001. •When a metal is hammered into a sheet or drawn into a wire, it does not break because the ions are in layers that slide past one another without losing their attraction to the electron cloud. edition titled Metals and Their Compounds in the Environment followed relatively quickly in 1991. Most elements can be considered metals. of the properties of metals. Ernest Merian passed away in 1995 at the age of 75 while traveling to … n What properties did you think of while categorising elements as metals or non-metals? Physical Properties of Metals. Other properties include: State: Metals are solids at room temperature with the exception of mercury, which is liquid at room temperature (Gallium is liquid on hot days). Ferrous metals (iron-alloys): carbon-, alloy-, stainless-, ... We are interested in their hardness, and how these properties change with temperature. 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