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Nonmetals are chemical elements that mostly lack distinctive metallic properties. They range from colorless gases like hydrogen to shiny crystals like iodine. Physically, they are usually lighter (less dense) than metals; brittle or crumbly if solid: and often poor conductors of heat and electricity.
Em química, o grupo dos não-metais [nota 1] (ou ametais) [1] corresponde a uma das três categorias de elementos químicos (as outras duas são os metais e os metaloides). [ 2 ] [ 3 ] Por ser uma designação obsoleta, os metaloides hoje são classificados como ametais ou metais, segundo a classificação pelas propriedades de ionização e ...
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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. In physics, a metal is generally regarded as any substance capable of conducting electricity at a temperature of absolute zero.
3 days ago · Chromium, a metal and sulfur, a non-metal The periodic table can be broadly segregated into two types of elements , commonly referred to as metals and non-metals .
Nu metal. Nu metal (sometimes stylized as nü-metal) is a subgenre of alternative metal that combines elements of heavy metal music with elements of other music genres such as hip hop, alternative rock, funk, industrial, and grunge. Nu metal rarely features guitar solos or other displays of musical technique; the genre is heavily syncopated and ...
- Mid-1990s, California, U.S.
Wrought iron. Steel is an alloy of iron and carbon with improved strength and fracture resistance compared to other forms of iron. Many other elements may be present or added. Stainless steels, which are resistant to corrosion and oxidation, typically need an additional 11% chromium.
Em química, o grupo dos não-metais [nota 1] (ou ametais) [1] corresponde a uma das três categorias de elementos químicos (as outras duas são os metais e os metaloides). [2] [3] Por ser uma designação obsoleta, os metaloides hoje são classificados como ametais ou metais, segundo a classificação pelas propriedades de ionização e de ...