Reaction of Metals with Oxygen Almost all metals react with oxygen to form metal oxides. Following are the important chemical reactions of metals which takes place due to the electropositive character of metals. When metals are exposed to load, it gets stressed. They have a gray-white lustre when freshly cut but tarnish readily in air, particularly the heavier members of the group. Iron. Chemical Properties of Metals. Beryllium is sufficiently hard to scratch glass, but barium is only slightly harder than lead. 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). For e.g. Physical State. These elements were classified by Lavoisier in to metals and non-metals by studying their properties. Metals are lustrous, malleable, ductile, good conductors of heat and electricity. The density of metals is usually high. The metals and non-metals differ in their properties. Let us learn about physical and chemical properties of metals and non-metals. The physical and chemical properties of metals are pretty straightforward, and we have an abundance of natural metals on Earth. Metals are malleable and ductile. Physical Properties of Metals. Physical properties include physical state, lustre, colour, hardness, malleability, ductility, thermal conductivity, electrical conductivity, and sonority. The physical and chemical properties of the metals and nonmetals may be used to tell them apart. In most cases, these properties can be changed by changing the chemical ingredients (in cases of hybrid metal).Among the physical properties, the major is- lusture, size, shape, color, density, specific gravity, finish, porosity, structure etc. Main Group Al, Ga, In, Sn, Tl, Pb, Bi, Po. Some metals react with air and corrode. Metals form an alloy with other metals or non – metals. Metals are also called electropositive elements because the metal atoms form positively charged ion by losing electrons. Such properties of the metal are natural and that is determined by the formation and bonding of election. Metals: Almost all metals are solids at room temperature. It is the property of metals that offers resistance to failure when it is exposed to real-life applications. The chemical properties of Metals and Nonmetals are described below. 1. But different metals react with oxygen at different intensities. Alkaline-earth metal - Alkaline-earth metal - Physical and chemical behaviour: The alkaline-earth elements are highly metallic and are good conductors of electricity. Metals And Their Properties- Physical and Chemical All the things around us are made of 100 or so elements. Mechanical properties of metals or physical properties of metals can be defined as the natural behavior of metals under different loading conditions. Let us start with the chemical properties of metals.

chemical and physical properties of metals

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