Résultats de recherche
Le zinc (prononciation /zɛ̃g/ en France 7, /zɛ̃k/ au Canada, /zɛ̃/ en Suisse) est l' élément chimique de numéro atomique 30 et de symbole Zn. Le corps simple zinc est un métal . Généralités sur l'élément zinc, histoire et lexicographie.
Zinc is a chemical element with the symbol Zn and atomic number 30. It is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed. It is the first element in group 12 (IIB) of the periodic table.
23 mai 2024 · zinc (Zn), chemical element, a low-melting metal of Group 12 (IIb, or zinc group) of the periodic table, that is essential to life and is one of the most widely used metals. Zinc is of considerable commercial importance. Occurrence, uses, and properties.
Represented in the periodic table as Zn, zinc is a transition metal, grouped with cadmium and mercury. With the middling atomic number 30, it has five stable isotopes of atomic weight from the dominant zinc 64 to zinc 70, plus an extra 25 radioisotopes.
5 juin 2015 · Troisième métal de transition le plus élaboré par l'Homme (après le fer et le cuivre), le zinc est surtout connu pour sa bonne tenue à la corrosion, des aciers industriels aux toitures.
Le zinc (Zn) est un métal abondant, trouvé dans la croûte terrestre, avec une myriade d'utilisations industrielles et biologiques. À température ambiante, le zinc est cassant et de couleur bleu-blanc, mais il peut être poli pour obtenir une finition brillante.
11 janv. 2020 · A base metal, zinc is primarily used to galvanize steel, a process that protects the metal against unwanted corrosion. The alloys of zinc, including brass, are vital to a wide range of applications, from corrosion-resistant marine components to musical instruments.
8 sept. 2023 · Zinc metal, denoted by the symbol "Zn," is a bluish-white transition metal valued for its ability to resist corrosion. It is often utilized as an alloying agent or protective coating. Zinc metal is also valuable because of its hexagonal crystalline structure.
Zinc is a prehistoric metal and have been used as copper alloy since 3rd millennium BC. It is widely used today to make electrical batteries and for zinc electroplating.
10 déc. 2018 · Zinc is a silver-gray metal with element symbol Zn and atomic number 30. The element is essential for human life and widely used in commercial applications. These zinc facts include basic facts, chemical and physical properties, and interesting trivia about the element.
