Manganese - Wikipedia
Manganese is a chemical element; it has symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron . Manganese was first isolated in the 1770s.
Manganese | Uses, Facts, & Compounds | Britannica
2024年12月20日 · Manganese, chemical element that is a silvery white, hard, brittle metal of Group 7 in the periodic table. It was recognized as an element in 1774 by the Swedish chemist Carl Wilhelm Scheele. Although rarely used in pure form, manganese is essential to steelmaking.
Manganese - Element information, properties and uses | Periodic …
Element Manganese (Mn), Group 7, Atomic Number 25, d-block, Mass 54.938. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Manganese | Mn (Element) - PubChem
Manganese is a chemical element with symbol Mn and atomic number 25. Classified as a transition metal, Manganese is a solid at room temperature. [Ar]4s 2 3d 5. J.C. Slater, J Chem Phys, 1964, 41 (10), 3199-3205. DOI:10.1063/1.1725697.
Manganese (Mn) Element: Properties, Interesting Uses, Facts
2023年4月28日 · Manganese is the chemical element that belongs to the group 7 of period 4 in the periodic table. It is a transition metal with the atomic number 25 and is represented by the symbol ‘Mn’. In nature, this element is not present as a free element but rather in mixtures with iron and other minerals.
Manganese Element Facts
Manganese is the twelfth most abundant element in the earth’s crust and it is an essential trace element for all life on earth. In the human body several manganese-containing enzymes are need to metabolize carbohydrates, cholesterol, and amino acids.
Chemistry of Manganese - Chemistry LibreTexts
2023年6月30日 · In pure form Manganese is a hard, brittle, gray-white metal. It is best known as an alloying agent in steel. It enhances the ability to hot-work steel and increases resistance to impact. The Roman empire used manganese in their …
Manganese Facts - Periodic Table of the Elements - ThoughtCo
2019年7月3日 · Periodic table placement and facts about the chemical and physical properties of the element manganese. Where it comes from and what it's sued for.
Manganese | History, Uses, Facts, Physical & Chemical Characteristics
Manganese is an ancient metal and was discovered as a distinct element in 1774. It is used as pigment and for making various alloys with corrosion resistant properties. The use of manganese in the form of black colored pyrolusite (now identified as manganese dioxide) dates back to the 18 th century in the region Magnesia, Greece.
Manganese Facts – Mn or Element Atomic Number 25 - Science …
2021年5月17日 · Manganese is a metal that is atomic number 25 on the periodic table with the element symbol Mn. Here’s a collection of interesting and useful manganese facts, including its history, properties, uses, and atomic data.
- 某些结果已被删除