metals wikipedia - EAS

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  1. In chemistry, metal is a word for a group of chemical elements that have certain properties. It is easy for the atoms of a metal to lose an electron and become positive ions, or cations. In this way, metals are not like the other two kinds of elements - the nonmetals and the metalloids. Most elements on the periodic table are metals.
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    What are metals made of?
    Metals are typically malleable (they can be hammered into thin sheets) or ductile (can be drawn into wires). A metal may be a chemical element such as iron; an alloy such as stainless steel; or a molecular compound such as polymeric sulfur nitride .
    en.wikipedia.org/wiki/Metal
    What is a metal in astronomy?
    In astronomy, a metal is any element other than hydrogen or helium. This is because these two elements (and sometimes lithium) are the only ones that form outside stars. In the sky, a spectrometer can see the signs of metals and show the astronomer the metals in a star . In humans, some metals are essential nutrients like iron, cobalt, and zinc.
    How do you define heavy metals?
    In biochemistry, heavy metals are sometimes defined—on the basis of the Lewis acid (electronic pair acceptor) behaviour of their ions in aqueous solution—as class B and borderline metals.
    en.wikipedia.org/wiki/Heavy_metals
    What are the characteristics of metals?
    Metals are primarily found as lithophiles (rock-loving) or chalcophiles (ore-loving). Lithophile metals are mainly the s-block elements, the more reactive of the d-block elements. and the f-block elements. They have a strong affinity for oxygen and mostly exist as relatively low density silicate minerals.
    en.wikipedia.org/wiki/Metal
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    https://en.wikipedia.org/wiki/Metal

    A metal (from Greek μέταλλον métallon, "mine, quarry, metal") is a material that, when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well. Metals are typically ductile (can be drawn into wires) and malleable (they can be hammered into … See more

    Form and structure
    Metals are shiny and lustrous, at least when freshly prepared, polished, or fractured. Sheets of metal thicker than a few micrometres appear opaque, but gold leaf transmits … See more

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    Metals can be categorised according to their physical or chemical properties. Categories described in the subsections below include ferrous and non-ferrous metals; brittle … See more

    Formation
    This sub-section deals with the formation of periodic table elemental metals since these form the basis of metallic materials, as defined in this … See more

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    In chemistry, the elements which are usually considered to be metals under ordinary conditions are shown in yellow on the periodic table … See more

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    An alloy is a substance having metallic properties and which is composed of two or more elements at least one of which is a metal. An alloy may have a variable or fixed composition. For example, gold and silver form an alloy in which the proportions of gold … See more

    The role of metallic elements in the evolution of cell biochemistry has been reviewed, including a detailed section on the role of See more

    Prehistory
    Copper, which occurs in native form, may have been the first metal discovered given its distinctive … See more

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  4. https://simple.wikipedia.org/wiki/Metal
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    Most metals are hard, shiny, they feel heavy and they melt only when they are heated at very high temperatures . Lumps of metal will make a bell-like sound when they are hit with something heavy (they are sonorous).Heat and electricity can easily pass through a metal (it is conductive). A lump of metal can be beate…
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    • https://sco.wikipedia.org/wiki/Metal

      WebA metal (frae Greek μέταλλον métallon, "mine, quarry, metal") is a material (an element, compoond, or alloy) that is teepically haurd whan in solit state, opaque, shiny, an haes …

      • Estimated Reading Time: 2 mins
      • https://sh.wikipedia.org/wiki/Metal

        Metal ili kovina je supstancija koja se sastoji od atoma metalnih hemijskih elemenata koji nisu povezani sa drugim atomima.
        Za metalne elemente uzimaju se hemijski elementi koji u čistom obliku pokazuju fizičke i hemijske osobine metala. Te osobine su:
        • dobra električna provodljivost

        • Estimated Reading Time: 2 mins
        • https://en.wikipedia.org/wiki/Heavy_metal_music

          WebHeavy metal (or simply metal) is a genre of rock music that developed in the late 1960s and early 1970s, largely in the United Kingdom and United States. With roots in blues rock, …

          • Derivative forms: Grunge
          • Cultural origins: Late 1960s, United Kingdom and United States
        • https://en.wikipedia.org/wiki/Category:Metals

          WebThis page lists metals, with subdivisions for alloys and specialised subsets of metal and metal-based compounds . Subcategories This category has the following 19 …

        • https://en.wikipedia.org/wiki/Heavy_metals

          WebOther heavy metals noted for their potentially hazardous nature, usually as toxic environmental pollutants, include manganese (central nervous system damage); cobalt and nickel (carcinogens); copper, zinc, selenium and …

        • https://en.wikipedia.org/wiki/Properties_of_metals...

          WebGraphite is the most electrically conductive nonmetal, better than some metals. [citation needed] Diamond is the best natural conductor of heat; it even feels cold to the touch. Its thermal conductivity (2,200 W/m•K)...

        • https://en.wikipedia.org/wiki/Precious_metal

          WebPrecious metals are rare, naturally occurring metallic chemical elements of high economic value. Chemically, the precious metals tend to be less reactive than most elements. They are usually ductile and have a high …

        • https://en.wikipedia.org/wiki/2022_in_heavy_metal_music

          WebRetrieved September 29, 2022. ^ James Rettig (October 5, 2022). "Liturgy – "93696" & As The Blood Of God Bursts The Veins Of Time EP". Stereogum. Retrieved October 6, …



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