what are the characteristics of metals?
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Physical Properties of Metals Metals are lustrous, malleable, ductile, good conductors of heat and electricity. 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).
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['Nickel is silvery-white, hard, malleable, and ductile metal.', 'It is a good conductor of heat and electricity.', 'It is bivalent, that is it has a valency of two.', 'The metal dissolves slowly in dilute acids.', "It's melting point is 1453 °C and boiling point is 2913 °C."]
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Metals, in general—though various exceptions exist—are: good conductors of heat and electricity; malleable and ductile; highly reflective; strong; dense; and donors of electrons in chemical reactions.
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Nickel, Physical and Chemical Properties. Nickel is a hard silver white metal, which forms cubic crystals. It is malleable, ductile, and has superior strength and corrosion resistance. The metal is a fair conductor of heat and electricity and exhibits magnetic properties below 345°C.
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Physical properties. The alkali metals have the high thermal and electrical conductivity, lustre, ductility, and malleability that are characteristic of metals. Each alkali metal atom has a single electron in its outermost shell.
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Alkaline Earth Metal Properties Because each atom has two valence electrons, elements of this group share several common characteristics: ... These metals are malleable and ductile. The alkaline earth metals tend to be soft, with relatively low densities, melting points, and boiling points for metals.
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['Metallic Minerals show a metallic shine in their appearance.', 'The potential source of the metal that can be got through mining.', 'Contains metals in their chemical composition.', 'Metallic minerals contain metal in raw form.']
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Characteristics: Platinum is a precious metal; soft, silvery-white, and dense with a beautiful lustrous sheen. It is malleable and ductile and has a high melting point. Platinum does not oxidize in air even at high temperatures and is unaffected by common acids.
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['Color : Bright Yellow.', 'Luster : It has a shine or glow.', 'Ductility : It can be beaten into extremely thin sheets of gold leaf.', 'Malleability : Capable of being shaped or bent.', 'Conductivity : Good electrical conductor.', 'Solubility : Solubility (ability to be dissolved)']
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Metallic bonding accounts for many physical properties of metals, such as strength, ductility, thermal and electrical resistivity and conductivity, opacity, and luster.
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["Gold's unique physical properties. ... ", "It's a soft, ductile metal. ... ", 'Gold has a very high boiling and melting point. ... ', "It's a good conductor of electricity and heat. ... ", 'Gold will not tarnish. ... ', 'Gold is a noble metal. ... ', 'Gold is highly reflective. ... ', 'Gold is very heavy and dense.']
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Metals form bonds that are different from the ionic, covalent and molecular bonds you've learned about before. In metals bonds, the electrons move freely around in an electron sea, and this leads to metals' unique properties. Metal is shiny because it reflects incoming light photons.
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In general, transition metals possess a high density and high melting points and boiling points. These properties are due to metallic bonding by delocalized d electrons, leading to cohesion which increases with the number of shared electrons.
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['shiny.', 'soft.', 'silvery.', 'highly reactive at standard temperature and pressure.', 'readily lose their outermost electron to form cations with a charge of +1.']
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['Lustrous (shiny)', 'Good conductors of heat and electricity.', 'High melting point.', 'High density (heavy for their size)', 'Malleable (can be hammered)', 'Ductile (can be drawn into wires)', 'Usually solid at room temperature (an exception is mercury)', "Opaque as a thin sheet (can't see through metals)"]
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Physical Properties of Metals State: Metals are solids at room temperature with the exception of mercury, which is liquid at room temperature (Gallium is liquid on hot days).
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Metals are lustrous, malleable, ductile, good conductors of heat and electricity. Other properties include: ... Valency: Metals have 1 to 3 electrons in the outermost shell of their atoms. Conduction: Metals are good conductors because they have free electrons.